What was found
DURING MAINTENANCE, FOUND OIL FILTER INDICATOR RED BUTTON SHOWING. GROUNDED - YES. ACCOMPLISHED OIL FILTER INDICATOR SERVICING REF AMM 49-91-13 PER T/C N8349002 REMOVED AND REPLACED LUBE FILTER AND OIL INDICATOR REF AMM 49-91-13.
- Difficulty date
- October 1, 2018
- Submitted
- October 2, 2018
- Operation
- Air carrier
- Aircraft
- N483AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36350
- Aircraft time
- 12,516 hours, 4,190 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Filter Element
- Part number
- 7590361101
- Condition
- Defective
- 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.