What was found
WHILE PERFORMING T/C N8349002. FOUND RED BUTTON ON APU OIL FILTER INDICATOR IS EXTENDED. GROUNDED - YES. REMOVED AND REPLACED APU LUBE FILTERS REF B737-800 AMM 49-91-12, OPS CHECK GOOD, NO LEAKS NOTED.
- Difficulty date
- November 22, 2021
- Submitted
- November 24, 2021
- Operation
- Air carrier
- Aircraft
- N577AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35186
- Aircraft time
- 52,610 hours, 15,642 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Element
- 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.