- Difficulty date
- August 28, 2017
- Submitted
- August 31, 2017
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35202
- Aircraft time
- 26,297 hours, 7,657 cycles
- Part
- Converter
- Part number
- 1152426245
- Part serial
- 109C0705
- Condition
- Failed
- Location
- Apu Starter
- Part time
- 60,352 hours, 24,286 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU FAILED TO START, FAULT LIGHT ILLUMINATED. CDU SHOWS FAULT CODE 49-41254 - SCU SHOWS START SYSTEM INOPERATIVE. ACFT GROUNDED. ACCOMPLISHED FIM 49-40, TASK 821. REPLACED SGU IAW AMM 49-41-21 AND AMM 49-41-61. LEAK AND OPS CHECKED GOOD. SGU LEAK AND OPS CHECK GOOD. CSS ACCOMPLISHED, SUCCESSFUL.