# SDR ABXA20260720328

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 20, 2026
- Submitted: July 21, 2026
- Operation: Air carrier
- Aircraft: [N1499A](https://openairdocs.org/aircraft/N1499A), registered now
- Make and model: Boeing 767328
- Aircraft serial: 27428
- Aircraft time: 92,800 hours, 22,099 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/ABXA20260720328

## Discrepancy

ON TAXI OUT, DURING LEFT ENGINE CROSS BLEED, START VALVE LIGHT REMAINED ILLUMINATED AND DUCT PRESSURE DROPPED TO ZERO. A/C RETURNED TO THE GATE (BTB) AND MTX GROUNDED A/C. MTX DEFERRED  LEFT ENGINE START VALVE PER MEL 80-00-2-1 PLACARDS INSTALLED, MX PROCEDURE C/W. ACFT REMAINS NO ETOPS MBCB 07/30/2026. A/C RETURNED TO SERVICE.

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