No fatalities

7 Sep 2020: Piper PA32R 301T (N3576X) — 4D Aviation LLC — Bonham, TX

Bonham, TX, United States

On 7 Sep 2020, a Piper PA32R 301T (registration N3576X) operated by 4D Aviation LLC was involved in an aviation accident near Bonham, TX. No fatalities were reported. Investigators recorded the probable cause as: The loss of engine power due to a disconnected fuel injector line that was not properly tightened during recent maintenance. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 1778583330Data APIEditorial standards

A Piper PA-32R (N3576X) lost engine power on September 7, 2020, near Bonham, Texas, after maintenance. The pilot and passenger were uninjured; the aircraft sustained substantial damage.

Accident

On September 7, 2020, about 0810 central daylight time, a Piper PA-32R airplane, registration N3576X, was substantially damaged during a forced landing near Bonham, Texas. The pilot and passenger were not injured. The flight was operating under Title 14 Code of Federal Regulations Part 91 as a personal flight.

Flight and Power Loss

The airplane was on its first flight after maintenance, which included replacement of the engine exhaust. Shortly after departure, the pilot observed high turbine inlet and cylinder head temperatures. He decided to return to the airport, but approximately 2 miles short of the runway, the engine experienced a total loss of power.

Emergency Landing and Damage

During the forced landing on soft terrain, the landing gear collapsed. The right wing sustained substantial damage.

Post-Accident Examination

An examination by the Federal Aviation Administration (FAA) inspector revealed that the No. 6 cylinder fuel injector line was not connected. Additionally, the turbocharger was initially not free to rotate, but once freed, it rotated without resistance.

Contributing factors

Incorrect service/maintenanceMaintenance personnel