What was found
APU START FAILED TWICE. APU DOOR STATUS MESSAGE. APU INOP WON'T START. REPLACED APU CONTROLLER FOR TROUBLESHOOTING.
- Difficulty date
- February 16, 2009
- Submitted
- March 13, 2009
- Operation
- Air carrier
- Aircraft
- N596UA
- Make and model
- Boeing 757222
- Aircraft serial
- 28749
- Aircraft time
- 43,720 hours, 121,187 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 4930 · APU Engine Fuel and Control
- Part
- Controller
- Part number
- 211734220
- Part serial
- 316
- Condition
- Defective
- Location
- Apu
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.