SDR AALA201708289063

Service difficulty report · Fan · Airbus A321231

Difficulty date: August 25, 2017
Submitted: August 28, 2017
Operation: Air carrier
Aircraft: N166NN
Make and model: Airbus A321231
Aircraft serial: 6973
Aircraft time: 3,474 hours, 1,357 cycles
System (JASC): 4990 · APU Oil System
Part: Fan
Condition: Leaking
Location: Apu
Stage of operation: NR
How discovered: 9
Nature of condition: K, B
Precautionary procedure: O

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

What was found

OIL ODOR THROUGH OUT THE AIRCRAFT. OIL AND DIRTY SOCK ODOR IN CABIN. MAINTENANCE FOUND THE APU OIL LEVEL OVERSERVICED AND ACCESSORY FAN LEAKING WITH OIL IN THE INTAKE. REPLACED THE FAN AND CLEANED THE INTAKE. ACCOMPLISHED MCM 05-96-84, 05-96-85, 05-96-86, AND 05-96-87. ALL CHECKED SATISFACTORY. AIRCRAFT WAS GROUNDED.

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