SDR ASAA2016062417156

Service difficulty report · Filter · Boeing 737890

Difficulty date: June 24, 2016
Submitted: June 27, 2016
Operation: Air carrier
Aircraft: N570AS
Make and model: Boeing 737890
Aircraft serial: 35185
Aircraft time: 35,788 hours, 10,613 cycles
System (JASC): 4990 · APU Oil System
Part: Filter
Condition: Defective
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.

What was found

WHILE INSPECTING APU OIL QTY, FOUND APU OIL FILTER DPI EXTENDED. ACFT GROUNDED. ACCOMPLISHED APU OIL FILTER INDICATION INSPECTION IAW AMM 49-91-13. FOUND OIL FILTER DPI EXTENDED, INSPECTED APU MAGNETIC DRAIN PLUG IAW AMM 49-91-81, NO CONTAMINATION NOTED, REMOVED APU FILTER ELEMENT, NO CONTAMINATION NOTED. INSTALLED NEW FILTER ELEMENT AND RESET OIL FILTER DPI IAW AMM 49-91-12. RAN APU, OPS AND LEAK CHECKS GOOD. OIL FILTER DPI REMAINS RETRACTED. APU OIL QTY SERVICED TO FULL IAW AMM 12-13-31.