SDR ASAA2016012014937

Service difficulty report · Probe · Boeing 737890

Difficulty date: January 20, 2016
Submitted: January 25, 2016
Operation: Air carrier
Aircraft: N594AS
Make and model: Boeing 737890
Aircraft serial: 35191
Aircraft time: 30,188 hours, 9,172 cycles
Engine: Cfmint CFM567B27B3
System (JASC): 7700 · Engine Indicating System
Part: Probe
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

FOUND FAULT CODE 73-31372, ECONOMIC, ON NR 2 ENGINE UPPER EGT SECTORS READING HIGH WHILE ACCOMPLISHING T/C 78273000. ACFT GROUNDED. PERFORMED FIM 73-11, TASK 801, FOUND PROBE T49.5 S1 EGT READING HIGH. R & R T49.5 S1 PROBE REF AMM 77-21-01. PROBLEM REMAINS, REQUIRES FURTHER TROUBLESHOOTING. ACCOMPLISHED FIM 73-11, TASK 801 INITIAL EVALUATION, ALL SECTOR TEMPS WITHIN LIMITS. ACCOMPLISHED EEC BITE, NO RECENT FAULTS NOTED, REF FIM 73-00, TASK 801.