What was found
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.
- Difficulty date
- August 6, 2026
- Submitted
- August 6, 2026
- Operation
- Air carrier
- Aircraft
- N371CM
- 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
- 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
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.