Service difficulty report · Sense Line · Boeing 737824

Difficulty date
December 12, 2017
Submitted
December 13, 2017
Operation
Air carrier
Aircraft
N76508
Make and model
Boeing 737824
Aircraft serial
31639
Aircraft time
33,323 hours, 11,461 cycles
Part
Sense Line
Condition
Contaminated
Location
Nr 1 Engine
Stage of operation
TX
How discovered
O
Nature of condition
Y
Precautionary procedure
D

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

What was found

ON 1ST START OF DAY. NR 1 MOTOR STARTED NORMALLY THEN SHUTDOWN ON ITS OWN. FOUND LARGE AMOUNT OF WATER IN NR 1 ENG PS3 LINE. REMOVED PS3 LINE FROM EEC AND FLOWED 100 PSI OF NIT THRU LINE, REF AMM-72-00-00-100-803-F00. OBSERVED EXCESS WATER FLOW FROM PS3 WEEP HOLE. TORQUED & SAFTIED PS3 LINE. PERFORMED EEC TEST REF AMM-73-21-00-700-804-F00. TEST RETURNED NO FAULTS. RAN ENGINE FOR 5 MINUTES NO PROBLEMS NOTED.