SDR IPXA2016062605055

Service difficulty report · Inlet · Boeing 75724APF

Difficulty date: June 26, 2016
Submitted: June 27, 2016
Operation: Air carrier
Aircraft: N456UP
Make and model: Boeing 75724APF
Aircraft serial: 25477
Aircraft time: 26,527 hours, 16,117 cycles
System (JASC): 4900 · Airborne Auxiliary Power Unit (APU) System
Part: Inlet
Condition: Contaminated
Location: Apu
Stage of operation: CL
How discovered: O
Nature of condition: B
Precautionary procedure: O

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

What was found

PASSING 10,000 FT, FOUL ODOR SEEMED TO GET STRONGER. REMAINED AT THE STRONG LEVEL FOR REMAINDER OF FLIGHT. DURING INITIAL INVESTIGATION OF ODOR, RAN ENGINES THEN APU, SOURCE ODOR ATTRIBUTED TO BUG ACCUMULATION AT APU INLET SCREEN. REMOVED BUGS FROM APU SCREEN. ACCOMPLISHED TASK 21-00-01-002-001 TO REMOVE ODOR FROM DUCTING.

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