# SDR AALA202006159021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 2020
- Submitted: June 25, 2020
- Operation: Air carrier
- Aircraft: [N540UW](https://openairdocs.org/aircraft/N540UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4107
- Aircraft time: 34,659 hours, 13,585 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Part number: 38007081WGEN
- Part serial: P3760
- Condition: Odor
- Location: Apu Bay
- Part time: 33,602 hours, 15,365 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/AALA202006159021

## Discrepancy

AIRCRAFT WAS GROUNDED: MUSTY DIRTY SOCK SMELL IN ENTIRE CABIN. ACCOMNPLISHED JOB CARD 26L00021001 AND J/C 26L00021002, FOUND INTERNAL LEAK OF APU, J/C 26L00021004 PLACED ON MONITOR.   REMOVED AND REPLACED APU IAW JOB CARD 26L31049003

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