What was found
APU LUBE MODULE OIL FILTER DPI POPPED. GROUNDED - YES. REPLACED APU LUBE MODULE OIL FILTER REF AMM 49-91-13. LEAK CHECK GOOD.
- Difficulty date
- October 31, 2018
- Submitted
- November 1, 2018
- Operation
- Air carrier
- Aircraft
- N491AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44109
- Aircraft time
- 11,932 hours, 4,023 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Oil Filter
- Part number
- 38809381
- Condition
- Clogged
- Location
- Apu
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.