What was found
DURING SERVICE CHECK, FOUND APU DELTA "P" INDICATOR FOR APU OIL FILTER POPPED. ACFT GROUNDED. ACCOMPLISHED APU OIL FILTER DELTA "P" INDICATOR FILTER REPLACEMENT REF MM 49-91-13, NO FAULTS FOUND.
- Difficulty date
- July 18, 2014
- Submitted
- July 22, 2014
- Operation
- Air carrier
- Aircraft
- N423AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 35206
- Aircraft time
- 4,859 hours, 1,547 cycles
- System (JASC)
- 4990 · APU Oil System
- Part
- Filter Element
- Part number
- 38809381
- Condition
- Abnormal
- Location
- Apu
- 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.