What was found
PRIORITY VALVE EICAS MESSAGE CAME ON AT 1000 FT & WENT OUT AFTER 30 SEC AND REPEATED THEN STAYED OUT. REPLACED PRV CONTROLLER PER MM. ACCOMPLISHED ENG HIGH PWR RUN. BLEED COMES ON MOMENTARILY AT 50 PERCENT N1.
- Difficulty date
- November 21, 2010
- Submitted
- December 3, 2010
- Operation
- Air carrier
- Aircraft
- N648UA
- Make and model
- Boeing 767322
- Aircraft serial
- 25285
- Aircraft time
- 77,371 hours, 12,489 cycles
- Engine
- Pwa PW4060
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Controller
- Part number
- 7927558
- Part serial
- 19
- Condition
- Faulty
- Location
- Priority Valve
- Component
- Priority Valve
- Component part number
- 79027013
- Stage of operation
- CL
- 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.