# SDR ABXA20260806350

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 2026
- Submitted: August 6, 2026
- Operation: Air carrier
- Aircraft: [N371CM](https://openairdocs.org/aircraft/N371CM), registered now
- Make and model: Boeing 767338
- Aircraft serial: 25577
- Aircraft time: 93,114 hours, 32,458 cycles
- Engine: Ge CF680C2B6
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Part number: 2780539103
- Part serial: 1859
- Condition: Defective
- Location: Zone 400
- Stage of operation: TX
- How discovered: V
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA20260806350

## Discrepancy

L ISLN VALVE LIGHT ON START, L N2 INADEQUATE FOR ENGINE START. A/C RETURNED TO THE GATE (BTB). MTC REMOVED AND REPLACED LEFT ISLN VALVE OPS CHECKS NORMAL IAW B767 AMM 36-11-04. AIRCRAFT REMAINS ETOPS 180. A/C RETURNED TO SERVICE.

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