SDR SWAA116879

Service difficulty report · Mechanism · Boeing 7373H4

Difficulty date
September 30, 2011
Submitted
October 5, 2011
Operation
Air carrier
Aircraft
N379SW
Make and model
Boeing 7373H4
Aircraft serial
26586
Aircraft time
57,974 hours, 48,325 cycles
Engine
Cfmint CFM563B1US
Part
Mechanism
Part number
328255621
Part serial
10873531C
Condition
Faulty
Location
Nr 1 Engine
Stage of operation
CL
How discovered
O
Nature of condition
M
Precautionary procedure
K

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

What was found

NR 1 ENGINE OVERTEMP ON SMF: TEMP EXCEEDED 940F. OVERTEMP LASTED LESS THAN 5 SECS. ENGINE NR 1 OVERTEMPTED AGAIN PASSING 1000F. TEMP AT 935F, UNABLE TO MAINTAIN CLIMB N1. REMOVED AND REPLACED BLEED VALVE FUEL GEAR MOTOR, STOP MECHANISM, FEEDBACK ROD AND MAIN FLEX SHAFT IAW MM.

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