# SDR ABXA20251214340

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 2025
- Submitted: December 15, 2025
- Operation: Air carrier
- Aircraft: [N1093A](https://openairdocs.org/aircraft/N1093A), registered now
- Make and model: Boeing 767-36N
- Registry model: [Boeing 767-36N](https://openairdocs.org/model/boeing-767-36n) (OpenAirDocs)
- Aircraft serial: 30111
- Aircraft time: 93,415 hours, 15,782 cycles
- System (JASC): [8012 · Engine Start Valves/Controls](https://openairdocs.org/jasc/8012)
- Part: Start Valve
- Condition: Faulted
- Location: Lt Engine
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA20251214340

## Discrepancy

ON TAXI OUT, LEFT ENGINE START VALVE DISCREET LIGHT ON.  AIRCRAFT RETURNED TO BLOCKS (BTB).  MAINTENANCE ACTUATED START VALVE IAW B767 AMM 80-11-02 DUE TO FAILED START.  NO FURTHER DEFECTS NOTED A/C REMAINS NO ETOPS.  AIRCRAFT RETURNED TO SERVICE.

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