Service difficulty report · Pressure Switch · Boeing 76731K

Difficulty date
March 4, 2020
Submitted
March 5, 2020
Operation
Air carrier
Aircraft
N1373A
Make and model
Boeing 76731K
Aircraft serial
27205
Aircraft time
101,105 hours, 21,197 cycles
Part
Pressure Switch
Part number
21C1321
Part serial
WA44021
Condition
Defective
Location
Fuel System
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

ON TAXI CTR L FUEL PUMP EICAS / PRESSURE LIGHT.(<P>TRANSFERRED TO MDDR 125352 PER MEL 28-22-02A, CAT 'C', DUE 14MAR20. CB FOR OVRD PUMP LEFT ON P6 PULLED AND COLLARED.</P><P>LOG PAGE 1166901: PERFORMED FIM TASK 28-22 FT 805 UP TO STEP 53, BLEED PRESS SENSE LINE, PERFORMED FIM 28-22 FT 805 AND REPLACED L AUX TANK PRESSURE SWITCH S423 PER MCC REQUEST I.A.W AMM 28-42-01. OPS CHECK GOOD, MDDR #125352 CLOSED.</P>)

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