- Difficulty date
- April 20, 2021
- Submitted
- April 23, 2021
- Operation
- Air carrier
- Make and model
- Boeing 76731K
- Aircraft serial
- 27205
- Aircraft time
- 103,791 hours, 22,037 cycles
- Part
- Contactor
- Part number
- CC0708IMUA34B
- Part serial
- N377
- Condition
- Failed
- 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 FAIL TO START(<P>TRANSFERRED TO MDDR 145605 IAW MEL 49-11-01A, CAT C.</P><P>LP 1312947: PERFORMED FIM 49-11 FT. 991 TO STEP 22. REMOVED AND REPLACED APU CRANK CONTACTOR K117 IAW AMM 49-41-05. OPS CHECKS GOOD. 3 SUCCESSFUL START ATTEMPTS. MDDR 145605 CLOSED.<BR /></P>)