SDR ASAA2015041211303

Service difficulty report · Probe · Boeing 737890

Difficulty date: April 12, 2015
Submitted: April 13, 2015
Operation: Air carrier
Aircraft: N583AS
Make and model: Boeing 737890
Aircraft serial: 35681
Aircraft time: 29,557 hours, 8,756 cycles
Engine: Cfmint CFM567B27B3
System (JASC): 7720 · Engine Temperature Indicating System
Part: Probe
Part number: TC29604
Condition: Faulted
Location: Nr 2 Engine
Stage of operation: IN
How discovered: 9
Nature of condition: O
Precautionary procedure: K

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

What was found

WHILE ACCOMPLISHING T/C 78273000, FOUND NR 2 ENGINE ECONOMIC FAULT 73-31372 ON LEG 2 & 10. UPPER EGT SECTORS READING HIGH. ACFT GROUNDED. ACCOMPLISHED T49.5 PROBE AND EGT SYS INSPECTION IAW AMM 77-21-01-200-801-F00. FOUND RESISTANCE TO S4 PROBE MEASURING EXCESSIVE RESISTANCE. R & R S4 49.5 EGT PROBE IAW AMM 77-21-01. CLEANED EGT HARNESESS IAW AMM 77-21-00. OPS CHECKED IAW AMM 73-21-00-700-804-F00. EEC TEST PASSED. NO FAULTS INDICATED.