What was found
LEFT ISOLATION VALVE BYPASS CHECK VALVE SPRING BROKEN. REMOVED AND REPLACED LEFT ISOLATION BY PASS VALVE. OPERATIONAL CHECKS COMPLIED WITH AND GOOD PER AMM.
- Difficulty date
- July 8, 2017
- Submitted
- July 12, 2017
- Operation
- Air carrier
- Aircraft
- N1709A
- Make and model
- Boeing 767375
- Aircraft serial
- 24086
- Aircraft time
- 89,745 hours, 20,427 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Isolation Valve
- Part number
- 7321175003
- Part serial
- 86418B
- Condition
- Broken
- Location
- Bleed Air Sys
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.