Service difficulty report · Modulating Valve · Boeing 727260

Difficulty date
June 22, 2004
Submitted
July 22, 2004
Operation
General aviation
Make and model
Boeing 727260
Aircraft time
35,390 hours
Engine
Pwa JT8D17
Part
Modulating Valve
Part number
39271611
Condition
Leaking
Location
Nr 1 Bleed Sys
Stage of operation
CL
How discovered
9
Nature of condition
M, J
Precautionary procedure
O

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

What was found

(CAN) DURING CLIMB IT WAS OBSERVED THAT THE NR 1 ENGINE STRUT OVERHEAT LIGHT CAME ON. IAW OPS CHECKLIST, SYSTEM CHECK CARRIED OUT AND FLIGHT CONTINUED WITHOUT INCIDENT. AFTER LANDING, INSPECTION WAS CARRIED OUT AND THE HIGH PRESSURE MODULATING AND SHUTOFF VALVE WAS FOUND LEAKING. THE VALVE WAS REPLACED. LEAK CHECK CARRIED OUT AND CHECKED SERVICEABLE IAW MM 26-12-41.