In this product liability action, the sole issue is the sufficiency of the circumstances surrounding a malfunction of an automobile to establish prima facie the existence of a manufacturing defect. The trial court determined the evidence to be insufficient and entered summary judgment in favor of the manufacturer. After careful review, we reverse.
An order granting summary judgment is appropriate when a review of all the interrogatories, affidavits and depositions of record indicates that there are no genuine issues of material fact and the moving party is entitled to judgment as a matter of law.
Buckno v. Penn Linen & Uniform, Service, Inc.,
On November 23, 1984, Wilma Ducko was driving a newly purchased, 1985 Chrysler Fifth Avenue southwardly on the Atlantic City Expressway, in New Jersey, when the vehicle suddenly jerked to the right. Although she tried with all her strength to straighten the course of her vehicle, she said, the steering felt as though it had locked. When she attempted to apply the brakes, they also failed to respond. The vehicle, which had been moving at a speed of 55 m.p.h., travelled across the highway, down an embankment and into a group of trees. Ducko received serious injuries, including a broken back, and the vehicle was totalled. Prior to the accident, the vehicle had been driven 1,655 miles; it had been purchased less than two months before. The road surface at the time of the accident was dry.
An expert employed by the plaintiffs found no specific defect in the vehicle. He opined that Mrs. Ducko’s accident *50 had been caused by a transient malfunction of the system providing power to the steering and brakes. Chrysler’s expert, however, observed that both steering and brakes were operational, and he found no abnormalities in any of the car’s systems. He said that at a speed of 55 m.p.h. even a temporary power failure would not have rendered the steering uncontrollable. He expressed the opinion that the accident was a result of operator error.
When advancing a theory of strict product liability, a plaintiff has the burden of showing that the product was defective, that the defect was the proximate cause of his or her injuries and that the defect existed at the time the product left the manufacturer.
Woodin v. J.C. Penney Co., Inc.,
Generally, a plaintiff will produce direct evidence of a product’s defective condition. In those cases where the plaintiff is unable to prove the precise nature of the product’s defect, however, he may, in some cases, rely on the “malfunction theory” of product liability. Rogers v. Johnson & Johnson Products, Inc.,523 Pa. 176 , 182,565 A.2d 751 , 754 (1989). The malfunction theory allows the plaintiff to use circumstantial evidence to establish a defective prod *51 uct. In Rogers v. Johnson & Johnson Products, Inc., supra, the court stated:
[The malfunction theory] permits a plaintiff to prove a defect in a product with evidence of the occurrence of a malfunction and with evidence eliminating abnormal use or reasonable, secondary causes for the malfunction. [The plaintiff is relieved] from demonstrating precisely the defect yet it permits the trier-of-fact to infer one existed from evidence of the malfunction, of the absence of abnormal use and of the absence of reasonable, secondary causes.
Id. (citations omitted). Although proof of a specific defect is not essential to establish liability under this theory, the plaintiff cannot depend upon conjecture or guesswork. “The mere fact that an accident happens, even in this enlightened age, does not take the injured plaintiff to the jury.” Stein v. General Motors Corp., 58 D. & C.2d 193, 203 (Bucks 1972), aff'd,222 Pa.Super. 751 ,295 A.2d 111 (1972).
Id.,
In
MacDougall v. Ford Motor Co.,
Later, in
Agostino v. Rockwell Mfg. Co.,
In
Brill v. Systems Resources, Inc.,
Thus, the record contains conflicting evidence regarding abnormal use. The determination of which version of events to credit, of course, was for the jury. See Commonwealth v. Paquette,451 Pa. 250 ,301 A.2d 837 (1973) (credibility determinations within exclusive province of finder of *54 fact). If the jury chose to credit appellant’s testimony, it could have found that there was no abnormal use or other reasonable secondary cause for the chair to collapse---We therefore conclude that appellant was entitled to have the jury instructed that if it found no abnormal use, it could find that the chair malfunctioned.
Id.
In granting appellee’s motion for summary judgment in the instant case, the trial court relied upon the deposition testimony and reports submitted by Chrysler’s expert. This was error. Mrs. Ducko’s testimony of the erratic performance of the vehicle’s steering and braking systems, under the circumstances of this case, was sufficient to make out a prima facie case of a manufacturing defect in the vehicle. The issue of strict liability, therefore, was a disputed issue for the jury. Although a jury, after considering the testimony of appellee’s expert witnesses, may find that the vehicle was not defective and that the accident was caused by operator error, it was improper for the trial court to make such a determination summarily and as a matter of law.
Our decision, as we have attempted to demonstrate, is compelled by prior decisions of the Superior Court. It is also consistent with decisions in other jurisdictions which have adopted the malfunction theory and allow proof of a defectively manufactured product by circumstantial evidence. See, e.g.:
Sochanski v. Sears, Roebuck & Co.,
The order of the trial court is reversed and the case is remanded for further proceedings consistent with this opinion. Jurisdiction is not retained meanwhile.
