What was found
AIRCRAFT FROM HANGAR WITH BCU 1 FAULT WITH ASSOCIATED EIU L MESSAGES. REPLACED BCU 1 IAW AMM 24 -23-01, OPERATIONS CHECKED NORMAL.
- Difficulty date
- April 15, 2014
- Submitted
- April 17, 2014
- Operation
- Air carrier
- Aircraft
- N127UA
- Make and model
- Boeing 747422
- Aircraft serial
- 28813
- Aircraft time
- 58,318 hours, 6,752 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 2420 · AC Generation System
- Part
- Control Unit
- Condition
- Faulty
- Location
- Electrical Sys
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.