What was found
APU LUBE MODULE CLOG INDICATOR POPPED. GROUNDED - YES. REMOVED AND REPLACED LUBE FILTER ELEMENT, REF B737-900 AMM 49-91-12. NO DEFECTS NOTED.
- Difficulty date
- August 17, 2020
- Submitted
- August 18, 2020
- Operation
- Air carrier
- Aircraft
- N433AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41704
- Aircraft time
- 26,360 hours, 8,420 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Filter
- Part number
- 38809381
- Condition
- Clogged
- Location
- Apu Oil System
- 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.