What was found
FOUND APU OIL FILTER "DELTA-P" RED INDICATOR HAS EXTENDED. ACFT GROUNDED. R & R APU OIL FILTER ELEMENT IAW AMM 49-91-13. OPS CK GOOD, LEAK CK GOOD. INSPECTION OF MAGNETIC DRAIN PLUG GOOD, NO DEFECTS NOTED.
- Difficulty date
- August 3, 2015
- Submitted
- August 5, 2015
- Operation
- Air carrier
- Aircraft
- N468AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41735
- Aircraft time
- 4,128 hours, 1,377 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Filter
- Part number
- 38809381
- Condition
- Clogged
- 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.