# SDR WX0A2025110732627

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2025
- Submitted: November 7, 2025
- Operation: Air carrier
- Aircraft: [N307NV](https://openairdocs.org/aircraft/N307NV), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 2427
- Aircraft time: 54,786 hours, 34,331 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil Cap
- Condition: Leaking
- Location: Apu
- Stage of operation: DE
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WX0A2025110732627

## Discrepancy

(AIRCRAFT NOT GROUNDED) UPON DESCENT INTO SCK A DIRTY SOCK SMELL WAS EXPERIENCED IN THE AFT CABIN APU WAS OFF, ENG ANTI ICE WAS OFF.  FA 2 AND FA 4 REPORT NAUSA & HEADACHE.  PERFORMED WORK CARD 21-000-002.  PER TC A32X-21-000-002. WHILE PERFORMING TASK CARD A32X-21-000-002 FOUND APU OIL RESERVOIR FILLER CAP LEAKING.  R & R APU RESERVOIR OIL FILLER CAP IAW AMM 49-91-48-000/400-801-A. DOUBLE CHECKED THE FCU DRAIN PIPE CAP (TELL-TALE CAP) FOUND OIL IN CAP AND IN LINE.   R & R FCU IAW AMM 49-32-11-000-003A & 49-32-11-400-003A. OPS CHECK GOOD. PER TC A32X-21-000-002 M313 REQUIRED TO C/W TC A32X-21-000-003 WITHIN 10 CALENDER DAYS.  C/W TASK CARD A32X-21-000-003.  NO FURTHER ODER PRODUCED.

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