SDR ASAA2014010112299

Service difficulty report · Filter · Boeing 737890

Difficulty date: January 1, 2014
Submitted: January 3, 2014
Operation: Air carrier
Aircraft: N586AS
Make and model: Boeing 737890
Aircraft serial: 35189
Aircraft time: 24,033 hours, 7,514 cycles
System (JASC): 4990 · APU Oil System
Part: Filter
Condition: Clogged
Location: Apu Oil
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 PERFORMING W/C 78349012, APU LUBE MODULE AND LINES GV INSPECTION FOUND THE MAIN OIL FILTER CLOGGING. INDICATOR POPPED. ACFT GROUNDED. UNABLE TO RESET OIL FILTER CLOGGING INDICATOR. R & R OIL FILTER HOUSING CLOGGING INDICATOR, REF MM 49-91-13-000-801, 49-91-13-400-801. OPS LEAK CK, GOOD.