Service difficulty report · Unknown · Boeing 737990ER

Difficulty date
November 10, 2023
Submitted
November 13, 2023
Operation
Air carrier
Aircraft
N431AS
Make and model
Boeing 737990ER
Aircraft serial
43255
Aircraft time
37,234 hours, 11,749 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
D

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

What was found

DURING ENGINE START ON #2 EGT SPIKED TO APPROX 500 C, EGT BOX STARTED BLINKING ENGINE AUTO SHUTDOWN. RAN QRC FOLLOW BY QRH. GROUNDED - YES. PERFORMED EEC BITE CHECK ON #2 ENG PER F.I.M 73-00-TASK 801, NO RECENT FAULTS AND NO FAULT HISTORY FOUND. HAD FLIGHT CREW RUN #2 ENG 2 TIMES PER AMM 71-00-00. ALL PARAMETER AND INDICATIONS NORMAL FOR BOTH ENG STARTS. NO HISTORY FOR #2 ENG FOR 30 DAYS. DETERMINED TO BE AN INTERMITTENT FAULT. OK FOR SVC.