SDR ASAA2017112422706

Service difficulty report · Fault Code · Boeing 737990ER

Difficulty date: November 24, 2017
Submitted: December 6, 2017
Operation: Air carrier
Aircraft: N469AS
Make and model: Boeing 737990ER
Aircraft serial: 41702
Aircraft time: 13,339 hours, 4,421 cycles
Engine: Cfmint CFM567B27E
System (JASC): 7720 · Engine Temperature Indicating System
Part: Fault Code
Part number: 00
Condition: Illuminated
Stage of operation: IN
How discovered: O
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 PERFORMING T/C 78273000, FOUND THE NR 2 ENGINE RECENT ECONOMIC FAULT, CODE 77-10842, THE TOP RIGHT EGT SIGNAL T495S1 IS OUT OF RANGE. ACFT GROUNDED. ACCOMPLISHED EEC BITE TEST, FAULT HISTORY IAW AMM 73-21-00-740-801-F00, STEP (D). NO FAULT HISTORY.