Service difficulty report · Filter · Boeing 7379

Difficulty date
September 3, 2023
Submitted
September 6, 2023
Operation
Air carrier
Aircraft
N926AK
Make and model
Boeing 7379
Aircraft serial
43314
Aircraft time
6,429 hours, 1,868 cycles
Part
Filter
Part number
B131605066
Condition
Dirty
Location
#1 Engine
Stage of operation
IN
How discovered
O
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

#1 ENGINE IS ALERTING FOR OIL FILTER DELTA PRESSURE INCREASE AND APPROACHING OIL FILTER BYPASS INDICATION. (#PRI1/ETOPS) CNR 20230902059DO NOT EXTEND. GROUNDED - YES. (RESOLVED ON W/O: 1967631 TASKCARD: N/R-00004 ) CHECKED OMF MX MESSAGES AND EEC, NO FAULTS FOUND. REMOVED AND REPLACED #1 ENG OIL FILTER REF AMM 79-21-07. FOUND DEBRIS IN OIL FILTER. CONTACTED DWIGHT AND SENT FILTER TO SEA TECH SERVICES.PERFORMED A VISUAL INSPECTION OF ODMS SENSOR REF AMM 79-00-00-210-804-G00, NO CONTAMINATION NOTED.PERFORMED STARTER MAG PLUG INSPECTION REF AMM 80-11-09-200-801-G00 AND SCAVENGE SCREENS INSPECTION REF AMM 79-21-04-211-801-G00, NO CONTAMINATION NOTED. TSR714927 CLOSED, SEAMC SCOTT NOTIFIED.

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