What was found
MX REPORTED EVIDENCE OF CHAFED WIRE/ELECTRICAL ARCING DURING APU START SWITCH REPLACEMENT. MX REPAIRED WIRE CHAFING IAW STANDARD PRACTICES WIRING MANUAL 20-10-13. ACFT OK FOR CONTINUED SERVICE.
- Difficulty date
- August 23, 2013
- Submitted
- August 23, 2013
- Operation
- Air carrier
- Aircraft
- N409US
- Make and model
- Boeing 737401
- Aircraft serial
- 23879
- Aircraft time
- 67,865 hours, 45,443 cycles
- System (JASC)
- 4997 · APU System Wiring
- Part
- Wire
- Condition
- Chafed
- Location
- Electrical
- 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.