What was found
APU LUBE UNIT FILTER DELTA P POP-OUT INDICATOR MISSING. GROUNDED - YES. LUBE FILTER BOWL COULD NOT BE REPAIRED. REPLACED BOWL AND FILTER PER B737-800 AMM 49-91-12. LK AND OPS CK GOOD.
- Difficulty date
- January 14, 2022
- Submitted
- January 19, 2022
- Operation
- Air carrier
- Aircraft
- N562AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35091
- Aircraft time
- 56,428 hours, 16,668 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Module
- Part number
- 41310203
- Part serial
- 1658
- Condition
- Damaged
- Location
- Apu
- Part time
- 11,273 hours, 20,609 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.