What was found
APU INOP. PERFORMED BITE PROCEDURE OF APU ECU IAW AMM 49-61-05. ECU WAS FOUND TO HAVE FLAGS 38,42, & 66. FLAGGING LRU INDICATE IGV ACTUATOR FAULTING. R&R APU IGV ACTUATOR IAW AMM 49-52-02. OPS CHECK GOOD.
- Difficulty date
- December 6, 2018
- Submitted
- December 10, 2018
- Operation
- Air carrier
- Aircraft
- N1487A
- Make and model
- Boeing 76731K
- Aircraft serial
- 28865
- Aircraft time
- 84,032 hours, 16,809 cycles
- System (JASC)
- 4950 · APU Bleed Air System
- Part
- Actuator
- Part number
- A64918003
- Part serial
- 1964
- Condition
- Faulty
- Location
- Apu
- Stage of operation
- IN
- 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.