SDR AALA202309188726

Service difficulty report · Apu · Airbus A320*

Difficulty date: September 13, 2023
Submitted: September 18, 2023
Operation: Air carrier
Aircraft: N563UW
Make and model: Airbus A320*
Aircraft serial: 5368
Aircraft time: 32,949 hours, 13,309 cycles
System (JASC): 4900 · Airborne Auxiliary Power Unit (APU) System
Part: Apu
Part number: 38007081
Part serial: P4101
Condition: Leaking
Location: Zone 100 - Fuse
Stage of operation: DE
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

AIRCRAFT WAS GROUNDED: THROUGH 13000' SWEAT, LOCKER ROOM,DIRTY SOCK, MILD/MODERATE /PERSISTANT ODOR THROUGH FLIGHT DECK ONLY, SWITCHED TO APU BLEED NO MORE ODOR WAS PRESENT. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU DUE TO FINDING OIL LEAKING FROM THE APU LOAD COMPESSOR DRAIN. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN)