What was found
L ENG PRV LT CAME ON AT IDLE THRUST AND AGAIN IN REVERSE. LOCKED OUT PRV LEFT ENGINE. REPLACED NR 1 ENG PRESSURE REGULATING VALVE PER MM, ACP'D ENG RUN AND CHECKS OK.
- Difficulty date
- August 14, 2011
- Submitted
- September 9, 2011
- Operation
- Air carrier
- Aircraft
- N664UA
- Make and model
- Boeing 767322
- Aircraft serial
- 29236
- Aircraft time
- 46,600 hours, 12,720 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Relief Valve
- Part number
- 79027013
- Part serial
- 84
- Condition
- Faulty
- Location
- Bleed Air Sys
- Stage of operation
- IN
- 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.