SDR DL72K991269

Service difficulty report · By Pass Switch · Boeing 727232

Difficulty date: June 6, 1999
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N480DA
Make and model: Boeing 727232
Aircraft serial: 20860
Engine: Pwa JT8D15
System (JASC): 7930 · Engine Oil Indicating System
Part: By Pass Switch
Condition: Failed
Location: Nr 2 Engine
Stage of operation: CL
Nature of condition: N
Precautionary procedure: A

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

What was found

WHILE FL300, PWR 2.06 EPR ON NR 2 ENG. THE FILTER BY-PASS LIGHT CAME ON DIM. ONCE THROTTLE RETARDED TO IDLE, LT REMAINED ON. SHUTDOWN IAW V LIST. ALL OTHER INDICATIONS NORMAL. ENG WINDMILLED FOR 15 MIN. CHECKED MAIN OIL FILTER, FOUND OK. CHECKED CHIP DETECTOR, FOUND OK. REPLACED FILTER ASSY, RUN-UP, LEAK CHECK FOUND OK. PLACARD PER MEL 79-00-02. BY-PASS FILTER LIGHT.