Summary
On July 16, 2015, a Piper PA28R-201 aircraft conducting a training flight under visual meteorological conditions experienced an unusual loud engine noise during an ILS approach to runway 25 at Lublin Airport (EPLB). The pilot-in-command decided to perform a precautionary landing, notified the Lublin Tower controller, and requested fire brigade assistance. The aircraft landed safely at 18:28 UTC, vacated the runway, and taxied to the apron.
Event Details
The flight was part of an integrated ATPL(A) training program and was crewed by a student pilot and an instructor. At approximately 18:24 UTC, while on approach, the pilot noticed the abnormal engine sound. After landing, the crew informed the flight supervisor of the incident. The next day, mechanics from the operator examined the aircraft and found a crack in the exhaust collector of cylinder #3. They replaced the component and performed a ground engine test, which showed normal operation. The aircraft then completed a return flight to its home base without any further issues.
Cause
The incident was caused by a cracked exhaust collector on cylinder #3, which resulted in loud and unusual engine operation.
Aftermath
The operator discussed the event with flight crews. No safety recommendations were issued by the investigating commission.