- Difficulty date
- April 13, 2025
- Submitted
- April 15, 2025
- Operation
- Air carrier
- Make and model
- Cessna 680A
- Aircraft serial
- 680A0125
- Aircraft time
- 7,947 hours, 5,178 cycles
- Part
- Power Supply
- Part number
- 64300281
- Part serial
- M2410346
- Condition
- Defective
- Location
- Zone 200
- Stage of operation
- TX
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTING: EMERGENCY LIGHTS FAILED PREFLIGHT TEST. COMPLIED WITH EMER/ABNORMAL PROCEDURE TO CHARGE BATTERIES. SECOND ATTEMPT FAILED ALSO. IN ON POSITION, ALL LIGHTS ASSOCIATED WITH NUMBER 1 BATTERY PACK ARE INOP. CORRECTIVE ACTION: REMOVED #1 EMER UGHT PWR SUPPLY. OPS CHECK GOOD. IAW CE680A AMM 33-50-06.