SDR CALA2018073001711

Service difficulty report · Transmitter · Boeing 737824

Difficulty date: July 26, 2018
Submitted: July 30, 2018
Operation: Air carrier
Aircraft: N25201
Make and model: Boeing 737824
Aircraft serial: 28958
Aircraft time: 57,693 hours, 21,321 cycles
System (JASC): 7920 · Engine Oil Distribution (Airframe Furnished)
Part: Transmitter
Condition: Leaking
Location: Nr 1 Engine
Stage of operation: CL
How discovered: O
Nature of condition: K, J
Precautionary procedure: O

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

What was found

FLT 2330 RETURNED TO EWR NUMBER 1 ENGINE OIL QUANITY DECREASED TO 15 RUN E1 FOUND OIL LEAKAGE FROM THE SCAVENGE FILTER TRANSMITTER. REMOVED AND REPLACED SCAVENGE FILTER TRANSMITTER AS PER AMM 79-21-07, OPS AND IDLE LEAK CHECK GOOD AT THIS TIME. QC VERIFIED THAT THERE WAS NO PFT FOUND IN THE SCAVENGE TUBE. TOOK AIRCRAFT TO RUN UP BLOCK TO PERFORM HIGH POWER RUN AFTER SCAVENGE FILTER XMITTER R&R. RAN ENGINE AT 85% N1 FOR 5 MIN FOR BAG & BREATHER CHECK. NO LEAKS NOTED AFTER ENGINE RUN. AS PER MM 71-00-00.