What was found
APU INOP. REMOVED AND REPLACED FLOW SENSING MODULE IAW AMM 49-53-08. NO HELP. MINI FLAG TROUBLE CODES ON ECU: 14,15,16,120 PN OFF 3614400-7 S/N 492126. PERFORMED APU ECU BITE TEST IAW AMM 49-61-05. PERFORMED OPERATIONAL TEST OK.
- Difficulty date
- December 15, 2018
- Submitted
- December 24, 2018
- Operation
- Air carrier
- Aircraft
- N1327A
- Make and model
- Boeing 76737D
- Aircraft serial
- 26328
- Aircraft time
- 82,743 hours, 11,893 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Unknown
- Condition
- Malfunctioned
- Location
- Apu
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.