What was found
AIRCRAFT WAS GROUNDED: WHILE ACCOMPLISHING CARD 78T21033001 FOUND WELS CONTROL UNIT 17 HAS INTERNAL FAULT. REPLACED WELS CONTROL UNIT 17 OPERATIONS NORMAL PER AMM 33-51-07.
- Difficulty date
- January 26, 2022
- Submitted
- January 28, 2022
- Operation
- Air carrier
- Aircraft
- N802AN
- Make and model
- Boeing 7878
- Aircraft serial
- 40620
- Aircraft time
- 24,091 hours, 3,202 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Control Unit
- Part number
- 100260102
- Condition
- Faulty
- Location
- Zone 200 - Fuse
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.