Service difficulty report · Pressure Switch · Boeing 747212B

Difficulty date
May 10, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N485EV
Make and model
Boeing 747212B
Aircraft serial
20712
Part
Pressure Switch
Condition
Failed
Location
Nr 3 Engine
Stage of operation
IN
Nature of condition
J
Precautionary procedure
E

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

What was found

JED - ON CRUISE FLIGHT, NR 3 ENGINE START VALVE LIGHT ILLUMINATED. NR 3 ENGINE SHUT DOWN PER EIA PROCEDURES. CONFIRMED PRESSURE SWITCH AT FAULT. START VALVE OPS CHK OK. DEFERRED PRESSURE SWITCH PER MEL 80-1-1. REPLACED NR 3 ENGINE START VALVE AS A PRECAUTIONARY MEASURE. AT JFK, PRESSURE SWITCH WAS REPLACED. REF: CONTROL NR 96-12. (X)

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