Service difficulty report · Relief Valve · Boeing 7472D3B

Difficulty date
December 13, 2006
Submitted
December 14, 2006
Operation
Air carrier
Aircraft
N506MC
Make and model
Boeing 7472D3B
Aircraft serial
21252
Aircraft time
87,920 hours, 18,230 cycles
Engine
Ge CF650E2
Engine time
74,868 hours, 15,442 cycles
Part
Relief Valve
Part number
8988061
Part serial
P242
Condition
Faulty
Location
Nr 2 Engine
Part time
11,411 hours, 2,369 cycles
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

DURING CLIMB-OUT, NR 2 ENGINE FIRE WARNING. BOTH ENGINE NACELLE TEMPS ON NR 2 ENGINE READ 8.5. ALL OTHER INDICATIONS NORMAL. ENGINE FIRE HANDLE PULLED. FIRE LIGHT EXTINGUISHED AND NACELLE TEMPS RETURNED TO NORMAL. REPLACED NR 2 PRV PER AMM 36-11-19. REPLACED NR 2 ENG PRESS RELIEF VALVE AS PER MM 36-11-03.

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