What was found
FOUND APU OIL FILTER RED BUTTON, DELTA-P, EXTENDED. ACFT GROUNDED. R & R APU OIL FILTER IAW AMM 49-91-12. RESET APU OIL FILTER HOUSING RED BUTTON. NO OTHER DEFECTS, LEAK CHECK GOOD.
- Difficulty date
- December 20, 2013
- Submitted
- December 23, 2013
- Operation
- Air carrier
- Aircraft
- N423AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 35206
- Aircraft time
- 2,497 hours, 813 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Filter
- Part number
- 38809381
- Condition
- Failed
- Location
- Apu Oil
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.