- Difficulty date
- November 1, 2023
- Submitted
- November 3, 2023
- Operation
- Air carrier
- Make and model
- Boeing 7379
- Aircraft serial
- 43339
- Aircraft time
- 6,904 hours, 1,983 cycles
- 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.
What was found
APU "FAULT" LIGHT ON GRND START. FAULT CODE 49-41254 (MAINTENANCE CODE) STARTER CONVERTER UNIT SHOWS START SYSTEM INOP. GROUNDED - YES. PERFORMED APU BITE - FOUND FAULT CODE 49-41012. RMVD AND REINSTALLED SCU. STARTED APU 3X - NO ISSUES. SYS OPS NML. REF IFIM 49-41012.