What was found
FOLLOWUP TO HISTORY OF APU SHUTDOWN WITH ECU FAILURE MESSAGE. GROUNDED - YES. REMOVED AND REPLACED APU ELEC. CONTROL UNIT REF B737-9 AMM 49-61-12-000-801 AND 49-61-12-400-801.
- Difficulty date
- March 7, 2023
- Submitted
- March 8, 2023
- Operation
- Air carrier
- Aircraft
- N936AK
- Make and model
- Boeing 7379
- Aircraft serial
- 43379
- Aircraft time
- 2,765 hours, 842 cycles
- System (JASC)
- 4960 · APU Controls
- Part
- Electronic Unit
- Part number
- 7072086010
- Part serial
- 6505150206306
- Condition
- Failed
- Location
- Aft Cargo Compar
- Part time
- 2,765 hours, 842 cycles
- Stage of operation
- IN
- 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.