- Difficulty date
- March 30, 2022
- Submitted
- April 2, 2022
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 39044
- Aircraft time
- 48,453 hours, 14,408 cycles
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- 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.
What was found
WHILE ADDING OIL IN APU FOUND OIL FILTER INDICATOR EXTENDED [ RED DELTA P BUTTON }. GROUNDED - YES. CHECKED MAGNETIC DRAIN PLUG & FILTER REF B737-800 AMM 49-91-81-200-801 & 49-91-12-000-802 NO CONTAMINATION FOUND. GROUND CHECK VERIFICATION GOOD. NO LEAKS NOTED.