- Difficulty date
- April 29, 2016
- Submitted
- May 3, 2016
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35188
- Aircraft time
- 34,652 hours, 10,476 cycles
- Part
- Module
- Part number
- 41310203
- Part serial
- 5190
- Condition
- Failed
- Location
- Apu
- Part time
- 7,119 hours, 10,055 cycles
- Stage of operation
- CR
- How discovered
- O
- 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
INCOMPLETE APU COLD SOAK START ATTEMPT. 1ST ATTEMPT AT FL360 RESULTED IN A 1000 EGT SPIKE AND FAULT LIGHT W/AUTO SHUTDOWN. DID NOT REATTEMPT. ACFT GROUNDED. IAW ENGINEERING REQUEST, REPLACED APU LUBE MODULE, REF AMM 49-91-11. NO LEAKS NOTED. PERFORMED APU BITE PROCEDURE IAW REF AMM TASK 49-61-00-700-801. NO FAULTS FOUND. THIS CLEARS MEL 49-1B.