SDR SWAA950797

Service difficulty report · Bypass Switch · Boeing 7372T4

Difficulty date: December 19, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N105SW
Make and model: Boeing 7372T4
Aircraft serial: 23249
System (JASC): 7930 · Engine Oil Indicating System
Part: Bypass Switch
Condition: Malfunctioned
Location: Nr 1 Engine
Stage of operation: DE
Nature of condition: N
Precautionary procedure: E

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

What was found

DURING DESCENT, NUMBER 1 ENGINE OIL FILTER BYPASS LIGHT ILLUMINATED. CREW PERFORMED ENGINE SHUTDOWN CHECKLIST. AIRCRAFT MADE AN UNEVENTFUL LANDING AT DAL. INSPECTED, NO CONTAMINATION NOTED. REPLACED BYPASS SWITCH, LEAK CHECKED AND PERFORMED ENGINE POWER ASSURANCE RUN PER BOEING M/M.

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