- Difficulty date
- January 27, 2018
- Submitted
- January 29, 2018
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41730
- Aircraft time
- 21,027 hours, 6,910 cycles
- Part
- Indicator
- Part number
- 38810521WE
- Condition
- Defective
- Location
- Apu
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OIL FILTER LUBE MODULE BUTTON INDICATOR FOUND EXTENDED. GROUNDED - YES. REMOVED APU OIL FILTER AND EXAMINED FOR OIL CONTAMINATION OR DEFECTS. NO DEFECTS NOTED. INSTALLED SERVICEABLE OIL FILTER ASSY REF AMM 49-91-12. REMOVED AND REPLACED THE OIL FILTER INDICATOR ASSY REF AMM 49-91-13. INSPECTED MAGNETIC DRAIN PLUG ASSY REF AMM 49-91-81 NO DEFECTS NOTED. OPS CHECK, LEAK CHECK GOOD.