Service difficulty report · Switch · Boeing 73776N

Difficulty date
December 7, 2003
Submitted
January 13, 2004
Operation
Air carrier
Aircraft
N743AL
Make and model
Boeing 73776N
Aircraft serial
28654
Part
Switch
Part number
1296662
Condition
Failed
Location
Nr 1 Engine
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

CLIMBING THROUGH ABOUT 7000 FEET THE LT ENGINE BLEED TRIP LIGHT ILLUMINATED. QRH ACCOMPLISHED. A RESET WAS ATTEMPTED THREE TIMES. RETURNED TO HNL. OVERWEIGHT LANDING AT 147,500 LBS. TOUCHDOWN RATE OF DESCENT LESS THAN 300 FPM. REMOVED AND REPLACED 390 DEGREES FAHRENHEIT PRE-COOLER VALVE SENSOR P/N 975-0172-006, IAW 36-12-03-4. OPS CHECK GOOD. VERIFIED NO BLEED TRIP OFF LIGHT ILLUMINATED. REPLACED 490 DEGREES FAHRENHEIT OVERTEMP SWITCH. RAN ENGINES OPS CHECK GOOD. ACCOMPLISHED OVERWEIGHT LANDING CONDITIONAL INSPECTION IAW 05-51-35-2. NO DEFECTS NOTED. AIRCRAFT RETURNED TO SERVICE. (M)

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