SDR 95ZZZM677

Service difficulty report · Oil Bypass Sw · Boeing 727231

Difficulty date: October 21, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N54327
Make and model: Boeing 727231
Aircraft serial: 20234
System (JASC): 7930 · Engine Oil Indicating System
Part: Oil Bypass Sw
Part number: A008032
Condition: Malfunctioned
Location: Nr 3 Engine
Stage of operation: CL
Nature of condition: N
Precautionary procedure: O

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

What was found

STL - DURING CLIMB, SHUT DOWN NR 3 ENGINE, S/N 3901, DUE TO OIL FILTER BYPASS LIGHT ILLUMINATION. FOUND FILTER BYPASS PRESSURE SWITCH, MFG P/N A00803-2, MALFUNCTIONING. REPLACED OIL FILTER BYPASS SWITCH. ENGINE OPERATION AND OIL BYPASS LIGHT SYSTEM CHECKED NORMAL. (M)