# SDR ASAA2026020163332

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 2026
- Submitted: February 11, 2026
- Operation: Air carrier
- Aircraft: [N5879K](https://openairdocs.org/aircraft/N5879K), registered now
- Make and model: Airbus A330-343
- Registry model: [Airbus A330-343](https://openairdocs.org/model/airbus-a330-343) (OpenAirDocs)
- Aircraft serial: 1226
- Aircraft time: 35,650 hours, 6,237 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Part number: 38004546
- Part serial: P1320
- Condition: Odor
- Location: Zone 100
- Part time: 13,368 hours, 11,299 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2026020163332

## Discrepancy

DMI: 545885. APU INOP DUE TO APU DIRTY SOCK SMELL. ( APU SYSTEM (ETOPS 120 RESTRICTED) ). GROUNDED - YES. REMOVED AND REPLACED APU IAW A330 T/C #330-49-HWI-02 (REF W/O # 389776). OPS / LEAK CHECK GOOD. NO SMELL NOTED FROM APU BLEED. THIS CLEARS MDDR# 545885. MIC SHEET UPDATED. PLACARDS REMOVED. SEE LOG PAGE 100177893-1, FOR ETOPS VERIFICATION FLIGHT. MDDR# 546067.

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