Service difficulty report · Unknown · Pilats PC1247E

Difficulty date
April 27, 2025
Submitted
April 30, 2025
Operation
Air carrier
Aircraft
N653AF
Make and model
Pilats PC1247E
Aircraft serial
1653
Aircraft time
8,700 hours, 7,606 cycles
Engine
Pwc PT6A67P
Engine time
7,950 hours, 6,886 cycles
Part
Unknown
Condition
Odor
Location
Cabin
Stage of operation
CR
How discovered
O
Nature of condition
B
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING CRUISE AT 26000 FT IN VFR CONDITIONS, THE CREW REPORTED A BURNING OIL ODOR IN ACS SYSTEM. AN EMERGENCY DECLARED AND THE CREW DIVERTED TO KBWI. OXYGEN WAS USED BY THE CREW AND PASSENGER AT THIS TIME. LANDING WAS UNEVENTFUL. NO ABNORMAL ENG INDICATIONS OR CAS MESSAGES NOTED, NO EXTERNAL LEAKS OR OIL LEVEL CHANGE WAS NOTED BY THE CREW DURING POST FLIGHT INSPECTION. TECHS EXAMINED THE ENGINE BEHIND THE BLEED VALVE & INSIDE INLET AND NOTED IT TO BE DRY. THE AGB/EXHAUST BREATHER TUBE SHOWED SIGNS OF OIL INDICATING OIL OVER-SERVICING. WATER SEPARATOR REMOVED, INSPECTED, & REPLACED AS A PRECAUTION, BUT NO DEFECTS FOUND. NO SMELL WAS NOTED DURING RUNS, OPS & LEAK CHECK GOOD.