SDR TAOA119510

Service difficulty report · Switch · Boeing 727225

Difficulty date: November 28, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N922TS
Make and model: Boeing 727225
Aircraft serial: 20415
System (JASC): 7931 · Engine Oil Pressure
Part: Switch
Part number: 42D107A2
Condition: Stuck
Location: Nr 1 Engine
Stage of operation: CR
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

FLT NR 6450 - DCA-LGA - IN CRUISE, EXPERIENCED A NR 1 OIL PRESSURE/FILTER BYPASS LIGHT ILLUMINATE. RETARDED NR 1 THROTTLE, LIGHT STAYED ON. SHUTDOWN NR 1 ENGINE, OIL PRESSURE REMAINED IN THE GREEN BAND. NR 1 OIL PRESSURE SWITCH STUCK IN THE ON POSITION. REPLACED OIL PRESSURE SWITCH, RAN CHECKED, OPS OK PER MM 79-33-1. (M)