- Difficulty date
- June 10, 2014
- Submitted
- June 16, 2014
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41734
- Aircraft time
- 4,860 hours, 1,545 cycles
- Part
- Indicator
- Condition
- False Indication
- Location
- Apu Oil Filter
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU AMBER FAULT LIGHT ILLUMINATED ON GROUND. ACFT GROUNDED. PERFORMED APU BITE PROCEDURE, SHOWED CODE 49-94299 STARTER GENERATOR OIL FILTER SHOWS CLOGGED. CHANGED START/GEN OIL FILTER IAW FIM TASK 49-60, TASK 801. INSPECTED OLD FILTER & FOUND NO CONTAMINANTS IAW AMM 49-91-12. REPLACED START/GEN OIL FILTER INDICATOR WITH NEW IAW AMM 49-91-13. APU OPERATED AND VERIFIED FAULT CLEARED.