Service difficulty report · Relay · Boeing 737824

Difficulty date
April 14, 2014
Submitted
April 14, 2014
Operation
Air carrier
Aircraft
N24211
Make and model
Boeing 737824
Aircraft serial
28771
Aircraft time
50,970 hours, 17,924 cycles
Part
Relay
Part number
KDAGX4F001
Condition
Failed
Location
Fuel System
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

CENTER FUEL PUMPS INOPERATIVE. TROUBLE SHOT IAW FIM 28-22-00-810-822. LT PUMP HAD CODE 32 & RT PUMP HAD CODE 33 ON UFI. OVERCURRENT ON ONE PHASE. PERFORMED WIRING CHECKS IAW FIG 112 BLOCKS 80 - 82, ALL CHECKED GOOD. R & R RELAYS R54 & 55 ON THE UFI ASSEMBLIES, OPERATIONS CHECKED GOOD. RAN ENG SWITCHED POWER, ALL CHECKED GOOD. ACFT IS RETURNED TO SERVICE.