SDR ASAA2015012810471

Service difficulty report · Probe · Boeing 737490

Difficulty date: January 28, 2015
Submitted: February 2, 2015
Operation: Air carrier
Aircraft: N569AS
Make and model: Boeing 737490
Aircraft serial: 35184
Aircraft time: 30,306 hours, 9,465 cycles
System (JASC): 7720 · Engine Temperature Indicating System
Part: Probe
Part number: TC29604
Condition: Dirty
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

FOUND NR 2 ENG W/ ECONOMIC FAULT, MESSAGE 73-31372, UPPER EGT SECTORS READ HIGH. ACFT GROUNDED. ACCESSED ENGINE NR 2 EGT HARNESS CONNECTIONS FROM SENSORS TO EEC CLEANED, RECONNECTED AND SAFETIED. CLOSED ACCOMPLISHED EEC TEST. TEST PASSED, NO EEC FAULTS. ACCOMPLISHED ACTUATORS TEST. TEST PASSED. NO ACTUATORS TEST FAULTS. REF MM 77-21-00-140-801 & 77-21-01-400-801.