What was found
LEFT ISOLATION VALVE INOP. VALVE DISAGREE LIGHT. REMOVED AND REPLACED LEFT ISOLATION VALVE IAW AMM 36-11-04, OPS CHECK GOOD.
- Difficulty date
- April 29, 2021
- Submitted
- April 30, 2021
- Operation
- Air carrier
- Aircraft
- N640GT
- Make and model
- Boeing 7673S1
- Aircraft serial
- 25221
- Aircraft time
- 92,968 hours, 19,810 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Isolation Valve
- Part number
- 2780539103
- Part serial
- 1340
- Condition
- Inoperative
- Location
- Left
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.