What was found
BLEED HP ENG 4 EICAS ADVISORY MESSAGE. REPLACED HPC CONTROLLER.
- Difficulty date
- November 6, 2012
- Submitted
- January 29, 2013
- Operation
- Air carrier
- Aircraft
- N199UA
- Make and model
- Boeing 747422
- Aircraft serial
- 28717
- Aircraft time
- 61,691 hours, 7,207 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Controller
- Part number
- 77328918
- Condition
- Faulty
- Location
- Nr 4 Engine
- Stage of operation
- NR
- 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.