Service difficulty report · Line · Boeing 737990ER

Difficulty date
August 5, 2023
Submitted
August 11, 2023
Operation
Air carrier
Aircraft
N434AS
Make and model
Boeing 737990ER
Aircraft serial
61620
Aircraft time
27,402 hours, 8,504 cycles
Part
Line
Part number
3401661010EH
Condition
Leaking
Location
Nr 2 Eng Oil
Stage of operation
IN
How discovered
O
Nature of condition
K
Precautionary procedure
K

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

What was found

#2 ENGINE OIL TREND DATA SHOWS OIL CONSUMPTION TO GREATER THAN EXPECTED.(#PRI2) ENGINE POWER RUN REQUIRED. GROUNDED - YES. (RESOLVED ON W/O: 1964524 TASKCARD: N/R-00003 ) ACCOMPLISHED STEPS 1-4 OF THIS TSR. FOUND OIL LEAKING FROM AFT SUMP DRAIN LINE, THERE IS ALSO OIL COKING ON THE LEFT T/R HEAT SHIELD UNDER THE SAME LOCATION. J CALL 41368 08/09/2023MIG 2C #40-0054734 INITIATED. RV 69065 08/09/2023MI 2C 40-0054734 CLOSED, FOR WORK ACCOMPLISHED REF MIG 2C 40-0054734LEAK CHECK GOOD. THIS COMPLETES TSR, SEAMC ASHRAF NOTIFIED.