What was found
GEN CONTROL UNIT A/C LEFT IN E+E BAY HAS BTB FAULT LIGHT ILLUMINATED. GROUNDED - YES. RESET GCU REF AMM 24-21-81-400-801 NO FAULTS NOTED.
- Difficulty date
- May 16, 2026
- Submitted
- May 19, 2026
- Operation
- Air carrier
- Aircraft
- N506AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35690
- Aircraft time
- 63,164 hours, 19,549 cycles
- System (JASC)
- 2421 · AC Generator-Alternator
- Part
- Gcu
- Condition
- Faulted
- Location
- Zone 100
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.