SDR 95ZZZM631

Service difficulty report · Bypass Sw · Boeing 727231

Difficulty date: October 15, 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: Bypass Sw
Part number: MEGA008032
Condition: Failed
Location: Nr 3 Engine
Stage of operation: CL
Nature of condition: J
Precautionary procedure: E, A

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

What was found

STL - DURING CLIMB NR 3 ENGINE, S/N 3901, OIL BYPASS LIGHT CAME ON. ENGINE WAS SHUTDOWN AND AIRCRAFT RETURNED FROM FLIGHT. REPLACED NR 3 ENGINE BYPASS SWITCH, MFG P/N MEGA00803-2, REPLACED FILTER, DRAINED AND RESERVICED OIL. PERFORMED HI-POWER RUNUP, REMOVED AND REPLACED FILTER. ENGINE OPERATION AND FILTER CHECKS NORMAL. (M)