Service difficulty report · Cooling Fan · Airbus A321231

Difficulty date
November 2, 2021
Submitted
November 12, 2021
Operation
Air carrier
Aircraft
N559UW
Make and model
Airbus A321231
Aircraft serial
5292
Aircraft time
28,962 hours, 11,597 cycles
Part
Cooling Fan
Part number
361614011
Part serial
P3067CC
Condition
Leaking
Location
Apu
Part time
15,612 hours, 6,908 cycles
Component
Apu · Hnywl · 1319A
Component part number
38007081
Stage of operation
DE
How discovered
O
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

AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT REPORTED SMELLING A CHEMICAL / MUSTY ODOR IN AFT GALLEY AREA DURING DECENT. MAINTENANCE HAS ISOLATED THE SOURCE OF THE ODOR TO THE APU. **SUPPLEMENTAL REPORT FOR AALA202111049028: FOUND APU OIL COOLING FAN LEAKING AND REPLACED IT PER AMM 49-52-09. ALSO FOUND THE APU LUBE MODULE LEAKING FROM THE SEAL PLATE AND REPLACED IT PER AMM 49-91-45 (AALA202111127320). A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED. ** (CLOSED)

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