What was found
LEFT ISOLATION BYPASS CHECK VALVE HOUSING FOUND CHAFED, AND FLAPPER LOOSE. THE CHECK VALVE WAS REMOVED, REPLACED AND TESTED IAW AMM 36-11-05, REV 122. FOUND SATISFACTORY.
- Difficulty date
- October 8, 2017
- Submitted
- October 12, 2017
- Operation
- Air carrier
- Aircraft
- N1381A
- Make and model
- Boeing 767316F
- Aircraft serial
- 27615
- Aircraft time
- 82,978 hours, 17,379 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Check Valve
- Part number
- 7321175001
- Part serial
- 109791
- Condition
- Damaged
- Location
- Left
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.