What was found
DURING APU INSPECTION, FOUND OIL FILTER RED INDICATOR FOR LUBE FILTER ELEMENT EXTENDED. GROUNDED - YES. REMOVED AND REPLACED LUBE FILTER ELEMENT PER B737-9 AMM 49-91-13-400-801.
- Difficulty date
- May 1, 2023
- Submitted
- May 3, 2023
- Operation
- Air carrier
- Aircraft
- N291BT
- Make and model
- Boeing 7379
- Aircraft serial
- 44088
- Aircraft time
- 6,911 hours, 1,974 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Filter
- Part number
- 7590361101
- Condition
- Clogged
- Location
- Apu
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.