# SDR CALA2026092119558

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 2026
- Submitted: September 21, 2026
- Operation: Air carrier
- Aircraft: [N76055](https://openairdocs.org/aircraft/N76055), registered now
- Make and model: Boeing 767424ER
- Aircraft serial: 29450
- Aircraft time: 98,137 hours, 13,747 cycles
- System (JASC): [4930 · APU Engine Fuel and Control](https://openairdocs.org/jasc/4930)
- Part: Packing
- Part number: M259882013
- Condition: Leaking
- Location: Apu Fuel Control
- 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/CALA2026092119558

## Discrepancy

ODOR IN A/C APU SUPPLYING PACKS FOUND APU FUEL CONTROL CLUSTER LEAKING. O-RINGS NEED TO BE REPLACED. EIGHT O-RINGS WERE CHANGED ON THE APU FUEL CONTROL UNIT IAW AMM 49-11-00. OK TO CONTINUE.

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