What was found
DISCREPANCY: DURING PDSC, HAD 2 APU ABORTED STARTS. HAD NORMAL ROTATION BUT COULD NOT HEAR IGNITION. CORRECTIVE ACTION: REPLACED APU IGNITION EXCITER IAW AMM 49-41-03, OPS CHECK GOOD.
- Difficulty date
- September 18, 2021
- Submitted
- September 30, 2021
- Operation
- Air carrier
- Aircraft
- N321CM
- Make and model
- Boeing 767323
- Aircraft serial
- 29431
- Aircraft time
- 82,153 hours, 13,687 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- None
- Condition
- None
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.