What was found
BOTH PRSOV VALVES FAILED TO CLOSED. PERFORMED TEST. REPLACED NR 1 AND NR 2 ECS BLEED CARDS.
- Difficulty date
- October 10, 2012
- Submitted
- October 31, 2012
- Operation
- Air carrier
- Aircraft
- N548UA
- Make and model
- Boeing 757222
- Aircraft serial
- 25396
- Aircraft time
- 78,613 hours, 22,728 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Circuit Card
- Part number
- 285N000612
- Part serial
- D00894
- Condition
- Failed
- Location
- Bleed Sys
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.