- Difficulty date
- September 1, 2012
- Submitted
- September 21, 2012
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 39043
- Aircraft time
- 15,571 hours, 4,937 cycles
- Engine
- Cfmint CFM567B27
- Part
- Connector
- Part number
- BACC63CN2430SN
- Condition
- Unsecure
- Location
- Apu Starter Gen
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU WILL NOT START. APU BITE TEST SHOWS MX MESSAGE 49-41254 START CONVERTER UNIT SHOWS START SYS INOPERATIVE. ACCOMPLISHED FIM 49-40-00-810-821. FOUND STARTER GENERATOR WIRE HARNESS CONNECTOR D11118P NOT SEATED PROPERLY. TIGHTENED CONNECTOR, APU STARTS NORMALLY.