SDR SWAA010182

Service difficulty report · Eec · Boeing 7373Q8

Difficulty date
January 19, 2001
Submitted
January 29, 2001
Operation
Air carrier
Aircraft
N663SW
Make and model
Boeing 7373Q8
Aircraft serial
23256
Aircraft time
47,234 hours, 37,724 cycles
Engine
Ge CFM56*
Engine time
37,375 hours, 29,363 cycles
Part
Eec
Part number
8063208
Part serial
47714
Condition
Erratic
Location
Nr 1 Engine
Stage of operation
CR
How discovered
O
Nature of condition
R, J
Precautionary procedure
A

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

What was found

DIVERSION, DECLARED EMERGENCY. NR 1 ENGINE ROLLED BACK. EGT DROPPED RAPIDLY AND OTHER INDICATIONS FLUCTUATED FOR APPROX 10 SECONDS. NOTED A STRONG ODOR IN THE COCKPIT. ENGINE RECOVERED ON ITS OWN AND ODOR DISSAPATED AFTER ABOUT 10 MINUTES. NR 1 ENG FUEL SHUT OFF VALVE C/B TRIPPED WHEN FUEL CUT OFF. REMOVED AND REPLACED FUEL PUMP (P/N 301-779-005) AND MEC OPS, LEAK CHECK AND TRIM GOOD PER MM. REPAIRED FUEL SHUT OFF VALVE WIRING AT DISCONNECT BRACKET, STA 720L, PER MM. OPS CHECK NORMAL PER MM.

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