- Difficulty date
- August 16, 2013
- Submitted
- August 20, 2013
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35690
- Aircraft time
- 19,895 hours, 6,217 cycles
- Part
- Converter
- Condition
- Failed
- Location
- Apu
- Component
- Apu
- Component part number
- 1152466250
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU FAILED TO START. ACFT GROUNDED. PERFORMED APU BIT. FAULT CODE 49-41250 PRESENT. REMOVED APU START CONVERTER UNIT IAW AMM 49-41-61-000-801 INSTALLED APU START CONVERTER UNIT IAW AMM 49-41-61-400-801 3.F.(1). OPS CK GOOD, REF MM 49-41-61.