What was found
MATENANCE BLUE LIGHT ON WITH OIL LEVEL FOUND FULL. ACFT GROUNDED. REVIEWED MAINTENANCE HISTORY ON APU BITE, NO FAULTS ASSOCIATED WITH DMM. REMOVED & REPLACED THE APU ECU IAW AMM 49-61-12. GROUND VERIFICATION TEST PASSED.
- Difficulty date
- March 9, 2018
- Submitted
- March 9, 2018
- Operation
- Air carrier
- Aircraft
- N453AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36354
- Aircraft time
- 16,493 hours, 5,467 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Ecu
- Part number
- 707208601
- Part serial
- 6505150200675
- Condition
- Faulted
- Location
- Apu
- Part time
- 16,493 hours, 5,467 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.