SDR 752003

Service difficulty report · Relief Valve · Boeing 747228F

Difficulty date
June 27, 2006
Submitted
June 27, 2006
Operation
Air carrier
Aircraft
N752SA
Make and model
Boeing 747228F
Aircraft serial
21255
Aircraft time
119,405 hours, 23,215 cycles
Engine
Ge CF650E2
Engine time
70,172 hours, 12,865 cycles
Part
Relief Valve
Part number
3206256
Part serial
UNKNOWN
Condition
Leaking
Location
Nr 1 Engine
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

NR 1 ENGINE FIRE LIGHT ILLUMINATED AT 17,000 FEET. PERFORMED QRH CHECKLIST, WITH THRUST LEVER CLOSED AND START LEVER CUTOFF, ENGINE FIRE LIGHT WENT OUT AND NACELLE TEMPERATURE DROPPED. ENGINE HYDRAULIC PUMP WAS NOT PUT INTO SUPPLY OFF. FIRE HANDLE WAS NOT PULLED.