What was found
VERY STRONG ELECTRIC BURNING SMELL IN COCKPIT, BEGIN AT ENGINE SHUTDOWN AND CONTINUE TO GET STRONGER. REMOVED AND REPLACED GROUND AUXILLIARY POWER CONTROL UNIT (GAPCU). OPS CHECKED GOOD.
- Difficulty date
- November 30, 2012
- Submitted
- December 3, 2012
- Operation
- Air carrier
- Aircraft
- N539UW
- Make and model
- Airbus A321231
- Aircraft serial
- 4082
- Aircraft time
- 10,731 hours, 4,023 cycles
- System (JASC)
- 2440 · External Power System
- Part
- Control Unit
- Part number
- 1700667D
- Part serial
- AADU005377
- Condition
- Malfunctioned
- Location
- External Power
- Part time
- 755 hours, 301 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.