What was found
APU CAME ON LINE WITH ELECTRIC NO BLEED AIR. GROUNDED - YES. REMOVED AND REPLACED APU ECU REF AMM 49-61-12,OPS CHECK NORMAL. VERIFIED WITH TECH SERVICE INSTALLED SOFTWARE IS VERSION 4 OR LATER. THIS CLEARS MEL 49-7C.
- Difficulty date
- December 31, 2016
- Submitted
- January 4, 2017
- Operation
- Air carrier
- Aircraft
- N517AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35197
- Aircraft time
- 30,851 hours, 9,181 cycles
- System (JASC)
- 4960 · APU Controls
- Part
- Ecu
- Part number
- 2118966222
- Part serial
- 88G0302
- Condition
- Faulty
- Location
- Apu
- Part time
- 30,860 hours, 9,184 cycles
- Stage of operation
- NR
- 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.