- Difficulty date
- April 20, 2017
- Submitted
- April 24, 2017
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44105
- Aircraft time
- 7,182 hours, 2,395 cycles
- Part
- Module
- Part number
- 38762871
- Part serial
- AGE15002
- Condition
- Faulty
- Location
- Apu
- Part time
- 7,195 hours, 2,401 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FDR REASONABILITY REPORTS APU ANY FAULT DETECTED DISCRETE PARAMETER SHOWS 'FAULT' GROUNDED - YES. ACCOMPLISHED TSR818449 - NO FAULTS FOUND. RMVD AND INSTALLED NEW DATA MEMORY MODULE REF AMM 49-72-11. PERFORMED SYS OPS TEST REF AMM 49-72-11-400-801. SYS CKS NML.