SDR 752002

Service difficulty report · Relief Valve · Boeing 747228F

Difficulty date
June 25, 2006
Submitted
June 26, 2006
Operation
Air carrier
Aircraft
N752SA
Make and model
Boeing 747228F
Aircraft serial
21255
Aircraft time
119,393 hours, 23,212 cycles
Engine
Ge CF650E2B
Engine time
62,147 hours, 11,356 cycles
Part
Relief Valve
Part number
3206256
Part serial
567M
Condition
Leaking
Location
Bleed Air Sys
Stage of operation
CL
How discovered
O
Nature of condition
M
Precautionary procedure
J, A

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

What was found

NR 3 ENGINE NACELLE TEMPERATURE ROSE INTO THE YELLOW BAND AT CLIMB POWER OF 103% N1. RETARDED THRUST LEVER TO 65% N1 AND TEMPERATURE DROPPED INTO NORMAL RANGE.