Service difficulty report · Pressure Switch · Boeing 757224

Difficulty date
May 29, 2002
Submitted
May 30, 2002
Operation
Air carrier
Aircraft
N14118
Make and model
Boeing 757224
Aircraft serial
27560
Aircraft time
20,110 hours, 6,033 cycles
Engine
Rroyce RB211535E4
Engine time
22,246 hours, 4,953 cycles
Part
Pressure Switch
Part number
ETPU10002C
Part serial
BX39313
Condition
Faulty
Location
Nr 1 Engine
Part time
22,246 hours, 4,953 cycles
Stage of operation
AP
How discovered
O
Nature of condition
X
Precautionary procedure
O

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

What was found

THE NR 1 ENGINE FLAMED OUT ON APPROACH TO EWR AT 5,000 FEET. THE ENGINE WAS SUCCESSFULLY RESTARTED WITHIN ONE MINUTE. THE AIRCRAFT LANDED AT EWR WITHOUT INCIDENT. THE EEC AND BVCU WERE BITE TESTED IAW MM 73-21-00 AND 75-32-01 AND NO FAULTS WERE FOUND. A TPU BITE TEST FOUND THE UNIT AT FAULT. THE TPU WAS REMOVED AND REPLACED IAW MM 75-32-15 AND OPERATIONAL CHECKS WERE GOOD.