SDR DXTA2016042206229

Service difficulty report · Apu · Cessna 750

Difficulty date: April 26, 2016
Submitted: May 2, 2016
Operation: Air carrier
Aircraft: N941QS
Make and model: Cessna 750
Aircraft serial: 7500141
Aircraft time: 14,174 hours, 8,740 cycles
System (JASC): 4920 · APU Core Engine
Part: Apu
Part number: 38005761
Part serial: P128
Condition: Leaking
Location: Apu Bay
Part time: 5,302 hours, 3,232 cycles
Stage of operation: CR
How discovered: O
Nature of condition: K, B
Precautionary procedure: K

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

What was found

STRONG OIL SMELL FROM OVERHEAD WEMACS, SEEMED STRONGER IN COCKPIT. NOTICED PRIOR TO DESCENT FROM ALTITUDE. EVIDENCE OF OIL IN CABIN APU COMPRESSOR. REPLACED APU ASSEMBLY IAW MM CH 45-10-00. OPERATIONAL & LEAK CHECKED GOOD. INSTALLED 11, 647 HAS, 11, 595 CSN UPDATED APU ECU.

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