What was found
APU FAULT LIGHT IS ON APU WILL NOT START. FOUND FAULT CODE 49-41250 START CONVERTER UNIT R & R APU START CONVERTER UNIT IAW AMM 49-41-46. APU OPS CHECK NORMAL IAW AMM 49-11-00.
- Difficulty date
- January 29, 2013
- Submitted
- January 31, 2013
- Operation
- Air carrier
- Aircraft
- N581AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35188
- Aircraft time
- 22,036 hours, 6,770 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Converter
- Part number
- 1152466250
- Part serial
- 115246601703
- Condition
- Failed
- Location
- Apu
- Part time
- 22,037 hours, 6,771 cycles
- Stage of operation
- TX
- 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.