What was found
3L VAC OUTLET BURNED DURING VACUUM OPERATION. BACK OF CONNECTOR FOUND MELTED, CIRCUIT BREAKER PULLED AND COLORED WIRES INSULATED AND SECURED.
- Difficulty date
- July 29, 2013
- Submitted
- July 31, 2013
- Operation
- Air carrier
- Aircraft
- N120UA
- Make and model
- Boeing 747422
- Aircraft serial
- 29166
- Aircraft time
- 58,858 hours, 6,820 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3797 · Vacuum System Wiring
- Part
- Connector
- Condition
- Melted
- Location
- Vacuum Sys
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- B
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.