What was found
APU OIL FILTER RED INDICATOR FOUND MISSING. ACFT GROUNDED. REMOVED AND REPLACED APU OIL FILTER INDICATOR AND FILTER ELEMENT IAW AMM 49-91-12. LEAK CHECKED GOOD, NO DEFECTS NOTED.
- Difficulty date
- July 17, 2016
- Submitted
- July 19, 2016
- Operation
- Air carrier
- Aircraft
- N413AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 35205
- Aircraft time
- 13,507 hours, 4,325 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Oil Filter
- Part number
- 7590361101
- Condition
- Damaged
- Location
- Apu
- 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.