Service difficulty report · Bleed Valve · Boeing 727251

Difficulty date
April 19, 2002
Submitted
May 14, 2002
Operation
Air carrier
Aircraft
N278US
Make and model
Boeing 727251
Aircraft serial
21157
Engine
Pwa JT8D15
Part
Bleed Valve
Condition
Leaking
Location
Nr 3 Engine
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

FLT 734- FWA-DFW - NR 3 ENGINE STRUT OVERHEAT ILLUMINATED IN FLIGHT. THE CREW ISOLATED THEN RN 3 BLEED, AND OPERATED AT REDUCED THRUST TO EXTINGUISH THE LIGHT. THE AIRCRAFT CONTINUED ITS FLIGHT AND THE LANDING AT FWA WAS UNEVENTFUL. REPLACED CLAMPS ON NR 3 ENGINE BLEED VALVE. ALSO, FOUND THE 13 STAGE MOD VALVE SENSE LINE CRACKED. REMOVED AND REPLACED THE SAME. OPERATED NR 3 ENGINE WITH NO OTHER OVERHEAT INDICATION AND WAS FOUND TO OPERATIONALLY CHECKED GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)