- Difficulty date
- June 8, 2021
- Submitted
- June 11, 2021
- Operation
- Air carrier
- Make and model
- Boeing 76731K
- Aircraft serial
- 27205
- Aircraft time
- 104,025 hours, 22,121 cycles
- Part
- Ecu
- Part number
- 211734220
- Part serial
- 112232
- Condition
- Faulted
- Location
- Apu
- 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 INOP. APU FAILED COLD SOAK START(<P>THIS BECOMES MDDR 148218 PER MEL 49-11-01A, CAT C, DUE 18JUN21. PERFORMED APU FIM 49-11 FAULT TREE 958 AND FOUND CODE 01 ON ECU DURING BITE. </P><P>LP 1465341: REMOVED AND REPLACED APU ECU IAW AMM 49-61-05. OPS CHECK GOOD. DMI 148218 CLEARED. PLACARD REMOVED. MCC NOTIFIED.</P>)