# SDR ASAA2026092767072

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2026
- Submitted: September 29, 2026
- Operation: Air carrier
- Aircraft: [N383HA](https://openairdocs.org/aircraft/N383HA), registered now
- Make and model: Airbus A330-243
- Registry model: [Airbus A330-243](https://openairdocs.org/model/airbus-a330-243) (OpenAirDocs)
- Aircraft serial: 1217
- Aircraft time: 65,249 hours, 10,349 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: O-Ring
- Condition: Loose
- Location: Apu
- Stage of operation: CL
- 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/ASAA2026092767072

## Discrepancy

CHEMICAL, DIRTY SOCK  PASSING 10,000' W/ THRUST AT IDLE. STRONG INTENSITY DURATION PERSISTENT FOR 12 MINUTES. DETECTED MORE AFT BUT THROUGHOUT A/C. LEVEL 2 SEVERITY. GROUNDED - YES. PERFORMED TSM 05-50-00-810-829-A, FOUND APU OIL FILL O-RING LOOSE, REF DMI 550496 T/S. IDLE RAN ENG 1 & 2 W/ PACKS 1 & 2 ISOLATED. FAINT ODOR ON INITIAL START UP OF PACK 1 W/ ENG 1. REF TSM 71-00-81-810-805-A. PERFORMED DECONTAMINATION LEVEL A. PER AMM 21-00-00-615-809. RAN BOTH ENGINES AND BOTH PACKS SEPERATELY. NO SIGN OF SMELL. RAN APU BLEED, NO SMELL. OK FOR SVC.

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