What was found
APU CONTROL APUC DETECTED FAILURE OF REDUNDANT CONTROL FUNCTION OR LOSS OF ONE ARINC 629 CHANNEL. *S/D* FOUND PLUGGED OIL FILTER. APU OIL FILTER PER MM 49-27-03, OP CHECK GOOD. AC OK FOR SERVICE.
- Difficulty date
- July 26, 2008
- Submitted
- August 5, 2008
- Operation
- Air carrier
- Aircraft
- N210UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30216
- Aircraft time
- 29,990 hours, 6,811 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 4990 · APU Oil System
- Part
- Filter
- Part number
- ACA645F25Y4
- Condition
- Plugged
- Location
- Apu
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.