What was found
DURING TC 78349013, FOUND APU OIL FILTER DELTA-P INDICATOR EXTENDED. ACFT GROUNDED. PERFORMED OIL FILTER INDICATOR SERVICING. MAG PLUG CLEAN, FILTER CLEAN R & R FILTER/ PACKINGS. OPS LEAK CHECK GOOD REF MM 49-91-13.
- Difficulty date
- January 20, 2014
- Submitted
- January 22, 2014
- Operation
- Air carrier
- Aircraft
- N413AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 35205
- Aircraft time
- 3,430 hours, 1,078 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Indicator
- Condition
- Tripped
- Location
- Apu Oil Filter
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.