Service difficulty report · Thermocouple · Airbus A320232

Difficulty date
November 21, 2018
Submitted
November 26, 2018
Operation
Air carrier
Aircraft
N651AW
Make and model
Airbus A320232
Aircraft serial
866
Aircraft time
71,421 hours, 26,949 cycles
Part
Thermocouple
Part number
30030000
Part serial
PSGCAP8621
Condition
Failed
Location
Nr 1 Engine
Part time
10,933 hours, 4,606 cycles
Stage of operation
TX
How discovered
O
Nature of condition
N
Precautionary procedure
F, H

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

What was found

PHX FLT 435 EN-ROUTE AUS - PHX. THE AIRCRAFT WAS GROUNDED. AFTER LANDING ENG1 FAIL, EGT RISING RAPIDLY, FOLLOWED ECAM DISCHARGING AGENT 1. EGT NOT OVER 735 DEGREES. FIRE BOTTLE NOT DISCHARGED. MAINTENANCE C/W JOB CARD 26T00072003 HOT SECTION BORESCOPE AND J/C 26L00072007 BORESCOPE OF HPC NR 1 ENG. ALSO, NR 1 ENG SOLENOID VLV AND BLEED VLV FUNCTION CK C/W PER T/C 26T40075003. OP CK GOOD. FINALLY, PERFORMED FUNCTIONAL TEST OF EGT HARNESS JUNCTION BOX & THERMOCOUPLES ON NR 1 ENG. FOUND INBRD LOWER B, THERMOCOUPLE RANG OPEN. R&R T COUPLE REF AMM 77-21-43 & TSM CH 77-00-00-810-930A. OP CK GOOD AFTER ENG RUN.

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