What was found
ETOPS SIGNIFICANT SYS - BTB L GEN OFF EICAS MSG L GEN CYCLED ON AND OFF REPEATEDLY. BPCU BITE INDICATES LT GCU FAILURE, REMOVED AND REPLACED LT GCU IAW AMM 24-22-02. PERFORMED ENGINE RUN UP TEST NR 3 SYS, OPS NORMAL.
- Difficulty date
- July 1, 2009
- Submitted
- July 2, 2009
- Operation
- Air carrier
- Aircraft
- N583HA
- Make and model
- Boeing 767300
- Aircraft serial
- 25531
- Aircraft time
- 75,233 hours, 13,692 cycles
- System (JASC)
- 2420 · AC Generation System
- Part
- Gcu
- Part number
- 734284F
- Part serial
- 1047
- Condition
- Malfunctioned
- Location
- Left
- Part time
- 4,082 hours, 728 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.