What was found
LEFT ENGINE HPSOV MESSAGE WHEN REDUCING THRUST FOR DESCENT. BITE TEST CONFIRMS HPC FAULTY, REPLACED PER MM. ACTIVATED HPSOV. BITE TEST NO LONGER FAULTING HPC.
- Difficulty date
- February 1, 2013
- Submitted
- February 15, 2013
- Operation
- Air carrier
- Aircraft
- N660UA
- Make and model
- Boeing 767322
- Aircraft serial
- 27115
- Aircraft time
- 85,413 hours, 13,595 cycles
- Engine
- Pwa PW4060
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Controller
- Part number
- 77328915
- Part serial
- 18
- Condition
- Faulted
- Location
- Lt Engine Bleed
- 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.