# SDR AALA202303247693

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2023
- Submitted: March 24, 2023
- Operation: Air carrier
- Aircraft: [N136AN](https://openairdocs.org/aircraft/N136AN), registered now
- Make and model: Airbus A320*
- Aircraft serial: 6532
- Aircraft time: 23,354 hours, 9,170 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Part number: 38007081
- Part serial: P6556
- Condition: Leaking
- Location: Zone 100 - Fuse
- Part time: 19,938 hours, 7,880 cycles
- Stage of operation: LD
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202303247693

## Discrepancy

AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS REPORTED A DIRTY SOCK SMELL DURING THE LAST 5 MINUTES OF FLIGHT. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU AFTER FINDING EVIDENCE OF OIL LEAKS. ** SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN)

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