What was found
AIR TURN BACK: AFTER T/O NR 3 GEN FIELD OFF ILLUMINATED ATTEMPTED TO RESET IAW CARRIER PROCEDURES AND FAILED CSD DISC PROC ACCOMPLISHED. T/S SYS PER AMM FOUND NR 3 GCU FAULTY. REMOVED AND REPLACED GCU IAW AMM. OPS CHECK GOOD.
- Difficulty date
- January 5, 2002
- Submitted
- January 16, 2002
- Operation
- Air carrier
- Aircraft
- N743SA
- Make and model
- Boeing 747230B
- Aircraft serial
- 22671
- System (JASC)
- 2420 · AC Generation System
- Part
- Generator
- Part number
- 21B731E
- Part serial
- 22671
- Condition
- Failed
- Location
- Nr 3
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- H, J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.