Service difficulty report · Pressure Switch · Boeing 7572B7

Difficulty date
October 14, 2015
Submitted
October 15, 2015
Operation
Air carrier
Aircraft
N200UU
Make and model
Boeing 7572B7
Aircraft serial
27809
Aircraft time
67,821 hours, 23,900 cycles
Engine
Rroyce RB211535E4
Part
Pressure Switch
Part number
21SN04159C
Part serial
J024483
Condition
Defective
Location
Nr 2 Engine
Part time
19,236 hours, 5,336 cycles
Stage of operation
CL
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

AFTER DEPARTURE, THE CREW RECEIVED A LOW PRESS STATUS MSG FOR RT ENG FUEL PUMP. THE DECISION WAS MADE TO RETURN. INSPECTED THE LOW PRESS FUEL FILTER & NO DEBRIS WAS NOTED. INSTALLED A NEW FILTER IAW AMM 73-11-10. THE LOW PRESS WARNING SWITCH WAS REPLACED ON THE NR 2 ENG. A SATISFACTORY OPERATIONAL & LEAK CHECK WAS ACCOMPLISHED IAW AMM 73-35-01-004-001.

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