# SDR AALA202603275442

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 2026
- Submitted: March 27, 2026
- Operation: Air carrier
- Aircraft: [N751UW](https://openairdocs.org/aircraft/N751UW), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1317
- Aircraft time: 60,936 hours, 41,336 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Plug
- Condition: Leaking
- Location: Apu Drain
- Stage of operation: NR
- 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/AALA202603275442

## Discrepancy

AIRCRAFT WAS GROUNDED: REF MIC 7196981 SOF EVENT. MAINTENANCE FOUND EVIDENCE OF DRY HYDRAULIC FLUID IN AND AROUND THE APUPLENUM AND BULK HEAD SEAL AND THE COOLING FAN. FOUND APU GEN DRAIN PLUG LEAKING. REMOVED AND REPLACED APU GEN DRAIN PLUG O-RING IAW AMM 24-23-51.

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