Service difficulty report · Shutoff Valve · Boeing 737824

Difficulty date
March 3, 2021
Submitted
March 3, 2021
Operation
Air carrier
Aircraft
N87531
Make and model
Boeing 737824
Aircraft serial
39999
Aircraft time
32,541 hours, 11,214 cycles
Part
Shutoff Valve
Condition
Chafed
Location
Nr 2 Engine
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

ENG 2 FAILED TO START AFTER 2 ATTEMPTS. FOUND SPAR VALVE CB POPP ED FOUND #2 ENG FUEL SHUTOFF WIRE W1034-1001-20, BETWEEN DISCONNECTS D40034 TO D970, NAC STA 285, WD 28-21-11 DAMAGED DUE TO CHAFFING ON STRUCTURE. PERFORMED SHIELDED WIRE REPAIR PER SWPM 20-10-13 AND ADJUSTED WIRE FOR PROPER SEPERATION FROM STRUCTURE AND SLACK FOR HIGH VIBRATION AREAS PER SPWM 20-10-11, NO FURTHER FAULTS, RETURNED TO SERVICE. SPLICE REPAIR. PERFORMED ENGINE SPAR VALVE TEST REF 28-22-00, WIRE AT NEXT HEAVY MAINT VISIT AND LOG 5933217 FOR ACHIVE OF REF EA2820-02207 REV ORIG. SEE LOG 5933003 FOR DIP TO REPLACE