What was found
DURING REMOVAL OF LEFT ISOLATION VALVE FOUND ISOLATION BY-PASS CHECK VALVE BROKE. REMOVED AND REPLACED, IAW 36-11-05 LEFT BYPASS CHECK VALVE. OPS CHECK GOOD.
- Difficulty date
- October 6, 2020
- Submitted
- October 8, 2020
- Operation
- Air carrier
- Aircraft
- N1093A
- Make and model
- Boeing 76736N
- Aircraft serial
- 30111
- Aircraft time
- 82,439 hours, 12,009 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Bypass Valve
- Part number
- 7321175003
- Part serial
- 553188
- Condition
- Broken
- 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.