What was found
INSPECTED ISOLATION BYPASS VALVES, VALVE FAILED VISUAL INSPECTION. REMOVED AND REPLACED THE ISOLATION BYPASS VALVE IAW AMM 36-11-04/401.
- Difficulty date
- September 22, 2017
- Submitted
- September 25, 2017
- Operation
- Air carrier
- Aircraft
- N767MW
- Make and model
- Boeing 767277
- Aircraft serial
- 22694
- Aircraft time
- 54,654 hours, 37,886 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Isolation Valve
- Condition
- Unknown
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.