Service difficulty report · Transmitter · Boeing 737890

Difficulty date
June 3, 2012
Submitted
June 6, 2012
Operation
Air carrier
Aircraft
N568AS
Make and model
Boeing 737890
Aircraft serial
35183
Aircraft time
20,604 hours, 6,544 cycles
Part
Transmitter
Part number
QA07656ISS1
Condition
Failed
Location
Engine Oil
Stage of operation
LD
How discovered
O
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

OIL FILTER BYPASS ON LANDING DURING ROLL OUT QRH PERFORMED AND SHUT THE ENGINE DOWN. ACCOMPLISHED EEC BITE FAILS WITH FAULT CODE 79-31122, NR 2 ENG OIL FILTER SIGNALS DISAGREE. BYPASS SWITCH S125, READS 2047 OHMS. REQUIRED TO BE 5 OHMS OR LESS. REPLACED SCAVENGE OIL FILTER CLOGGING TRANSMITTER IAW AMM 79-21-07-400-801-F00. PERFORMED IDLE POWER LEAK CK IAW AMM 71-00-00-700-801-F00, LEAK CHECKED GOOD.