Service difficulty report · Pressure Switch · Boeing 767306

Difficulty date
December 2, 2019
Submitted
December 3, 2019
Operation
Air carrier
Aircraft
N1409A
Make and model
Boeing 767306
Aircraft serial
27960
Aircraft time
91,585 hours, 17,592 cycles
Part
Pressure Switch
Part number
21C1321
Part serial
R013051
Condition
Failed
Location
Fuel Pump
Stage of operation
NR
How discovered
9
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

LEFT FWD AND AFT FUEL PUMPS NOT DEPRESSURIZED. NO PRESS LIGHTS.(<P>TRANSFERRED TO MDDR 121445 AS PER MEL DDG 28-22-01-01. L AFT PUMP DE-ACTIVATED, C/B PULLED AND COLLARED, CAT 'C', DUE DATE 13-DEC-19. PLACARD INSTALLED.</P><P>LP 1232253 - M5: REMOVED AND REPLACED L/H AFT FUEL PUMP PRESSURE SWITCH IAW AMM 28-42-01. OPS CHECK GOOD, NO FAULTS NOTED. THIS CLEARS DMI 121445. PLACARD REMOVED AND MCC NOTIFIED.<BR /></P>)