# SDR AALA202311221542

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 21, 2023
- Submitted: November 22, 2023
- Operation: Air carrier
- Aircraft: [N152UW](https://openairdocs.org/aircraft/N152UW), registered now
- Make and model: Airbus A320*
- Aircraft serial: 5588
- Aircraft time: 33,130 hours, 13,495 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Part number: 38007081
- Part serial: P3516
- Condition: Odor
- Location: Zone 100 - Fuse
- Part time: 39,298 hours, 24,835 cycles
- Stage of operation: DE
- 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/AALA202311221542

## Discrepancy

AIRCRAFT WAS GROUNDED: DIRTY SOCK SMELL THROUGHOUT THE CABIN DURING DESCENT. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN)

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