What was found
DURING PERIODIC BUSS POWER CONTROL UNIT TEST, RECEIVED "LEFT GEN CT LOOP GROUND DISCONNECT TRIP". REMOVED AND REPLACED L GCU. PERFORMED SATISFACTORY OPS CHECK IAW AMM 24-22-02.
- Difficulty date
- June 26, 2019
- Submitted
- June 27, 2019
- Operation
- Air carrier
- Aircraft
- N1399A
- Make and model
- Boeing 767306
- Aircraft serial
- 27959
- Aircraft time
- 89,004 hours, 16,886 cycles
- System (JASC)
- 2421 · AC Generator-Alternator
- Part
- Gcu
- Part number
- 734284F
- Part serial
- 6336
- Condition
- Failed
- Location
- Left
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.