What was found
R ENG HPSOV EICAS ON DESCENT. BIT MODULE HAD HPC FAULT. ACCOMPLISHED HEALTH CHECK ON HP-HPSOV MODULE. VALVE CHECKED GOOD. PRESS GOOD. FAILED HPC PH-PC OPEN SWITCH. REPLACED HPC. CLEARED BOX ACCOMPLISHED BLEED SHIFT, RUN NO FAULTS.
- Difficulty date
- July 27, 2009
- Submitted
- July 29, 2009
- Operation
- Air carrier
- Aircraft
- N667UA
- Make and model
- Boeing 767322
- Aircraft serial
- 29239
- Aircraft time
- 38,932 hours, 10,866 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Controller
- Part number
- 77328915
- Part serial
- 128
- Condition
- Failed
- Location
- Bleed Air Sys
- Stage of operation
- DE
- 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.