SDR ASAA2015100713400

Service difficulty report · Transmitter · Boeing 737990ER

Difficulty date: October 7, 2015
Submitted: October 9, 2015
Operation: Air carrier
Aircraft: N483AS
Make and model: Boeing 737990ER
Aircraft serial: 36350
Aircraft time: 236 hours, 86 cycles
Engine: Cfmint CFM567B27E
System (JASC): 7261 · Turbine Engine Oil System
Part: Transmitter
Part number: QA07656ISS1
Condition: Failed
Location: Oil Filter
Stage of operation: TX
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

NR 1 OIL FILTER BYPASS LIGHT ILLUMINATED AFTER LANDING. ACFT GROUNDED. ACCOMPLISHED FIM TASK 79-05, TASK 817, REPLACED OIL FILTER SCAVENGE CLOGGING TRANSMITTER, REF AMM 79-21-07. REPLACED SCAVANGE OIL FILTER IAW AMM 79-21-06. FOR PRECAUTIONARY MEASURE REPLACED OIL SUPPLY FILTER REF AMM 79-21-03. INSPECTED MCD, NO CONTAMINATION FOUND. RAN THE ENGINE, NO LEAKS NOTED.