What was found
NR 2 ENG BLEED WILL NOT CLOSE WITH SWITCH IN OFF WHILE ENG RUNNING. SUSPECT BAD VALVE OUT OF STOCK. T-S PER FIM. REPLACED PRSOV PER MM AND RAN ENG FOR LEAK CHECKS, ALL INDICATIONS CHECK NORMAL.
- Difficulty date
- August 4, 2010
- Submitted
- August 4, 2010
- Operation
- Air carrier
- Aircraft
- N598UA
- Make and model
- Boeing 757222
- Aircraft serial
- 28751
- Aircraft time
- 45,947 hours, 12,784 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Shutoff Valve
- Part number
- 32144882
- Part serial
- 78
- Condition
- Defective
- Location
- Bleed Air Sys
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.