What was found
FLT CREW REPORTS ISO VLV AMBER LIGHT ON. RECYCLE OF B2, B3 C/B'S, NO HELP. CYCLING BLEEDS ON-OFF, NO HELP ISO VLV APPEARS TO BE IN STUCK CLOSED POSITION. REPLACED VALVE, CHECKS OKAY.
- Difficulty date
- September 27, 2009
- Submitted
- September 28, 2009
- Operation
- Air carrier
- Aircraft
- N552UA
- Make and model
- Boeing 757222
- Aircraft serial
- 26641
- Aircraft time
- 67,534 hours, 19,416 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Isolation Valve
- Part number
- 2790598101
- Part serial
- 115
- Condition
- Faulty
- Location
- Bleed Air Sys
- 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.