SDR ASAA0853755

Service difficulty report · Engine · Boeing 737890

Difficulty date: November 5, 2008
Submitted: November 13, 2008
Operation: Air carrier
Aircraft: N577AS
Make and model: Boeing 737890
Aircraft serial: 35186
Aircraft time: 6,520 hours, 1,962 cycles
Engine: Cfmint CFM567B27
Engine time: 6,520 hours, 1,962 cycles
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Part serial: 894540
Condition: Malfunctioned
Location: Nr 1
Part time: 6,520 hours, 1,962 cycles
Stage of operation: IN
How discovered: O
Nature of condition: M
Precautionary procedure: K

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

What was found

GE REMOTE DIAGNOSTICS NR 1 ENGINE TREND DATA CONTINUES TO SHOW A GREATER THAN NORMAL EGT MARGIN LOSS. PRIORITY 2 NOTE ETOPS SIGNIFICANT. COMPLETED GAS PATH CLEANING PROCEDURE FOR NR 1 ENG THROUGH STEPS 25 OF AMM 72-00-00-100-804-F00.7. 85034, 30NOV08 ACCOMPLISHED GAS PATH CLEANING REF MM 72-00-00-100-804-F00-STEP (26) (70).