What was found
APU FAULT SHORTLY AFTER START ON GROUND. GROUNDED - YES. TROUBLESHOT AND FOUND MTX MG #49-41254, STARTER CONVERTER UNIT SHOWS START SYSTEM INOP. PERFORMED B737-9 IFIM TASK 49-40-00-810-818. FAULT IS NOT ACTIVE.
- Difficulty date
- October 15, 2023
- Submitted
- October 17, 2023
- Operation
- Air carrier
- Aircraft
- N915AK
- Make and model
- Boeing 7379
- Aircraft serial
- 44080
- Aircraft time
- 8,778 hours, 2,701 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- 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.