# SDR DALA2025061004410

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 6, 2025
- Submitted: June 10, 2025
- Operation: Air carrier
- Aircraft: [N377NW](https://openairdocs.org/aircraft/N377NW), registered now
- Make and model: Airbus A320-211
- Registry model: [Airbus A320-211](https://openairdocs.org/model/airbus-industrie-a320-211) (OpenAirDocs)
- Aircraft serial: 2082
- Aircraft time: 61,102 hours, 30,374 cycles
- System (JASC): [4910 · APU Cowling/Containment](https://openairdocs.org/jasc/4910)
- Part: Enclosure
- Condition: Contaminated
- Location: Zone 100
- Stage of operation: TX
- How discovered: O
- Nature of condition: C, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025061004410

## Discrepancy

SHIP 3277 DISC: DIRTY SOCK / MUSTY ODOR THROUGHOUT ENTIRE AIRCRAFT DUE TO APU OIL LEAK. C/A: FOUND OIL RESIDUE THROUGHOUT APU ENCLOSURE. SUSPECT OVERSERVICE. WILL REQ DEEP CLEANING. PERFORMED DECONTAMINATION AS PER A320 AMM 36-12 (ENG REV FLOW) & WORK CARD 0550-2002 & 4900-2001. R/R RECIRC FILTERS PER A320 AMM 21-21. PERFORMED ENG RUNS & OPS CHECK AS PER A320 AMM 36-12. SMELL CLEARED. OK FOR SVC. C/W NO GO ODI LOG #1007514. (LP: 6991134)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.