What was found
DURING TAXI OUT, LEFT ENGINE START VALVE FAILED TO OPEN. NO ROTATION, L ENG STARTER EICAS , VALVE LIGHT. AIRCRAFT RETURNED TO BLOCKS (BTB). MAINTENANCE DEFERRED IAW MEL C ABX-80-00-2-1. AIRCRAFT RETURNED TO SERVICE.
- Difficulty date
- August 19, 2025
- Submitted
- August 20, 2025
- Operation
- Air carrier
- Aircraft
- N1229A
- Make and model
- Boeing 767306
- Aircraft serial
- 28884
- Aircraft time
- 82,268 hours, 19,767 cycles
- System (JASC)
- 8012 · Engine Start Valves/Controls
- Part
- Start Valve
- Condition
- Failed
- Location
- Left
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.