SDR DLL15962575

Service difficulty report · Vib Monitor · Lkheed 10113853

Difficulty date: November 23, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N755DL
Make and model: Lkheed 10113853
Aircraft serial: 193Y1184
System (JASC): 7732 · Engine Vibration Analyzer
Part: Vib Monitor
Part number: A24000004
Condition: Malfunctioned
Location: Nr 2 Engine
Component: A24000004
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

NR 2 ENGINE WAS SHUTDOWN ON DESCENT APPROX 20K FT. HIGH VIBS BOTH CHANNELS 2.6 VIBS. NO OTHER ABNORMAL ENGINE INDICATIONS, NO ICING PRESENT. REPLACED ENG VIB MONITOR, RAN ENGINES PER PFHB TEST. CK'D CHIP DETECTORS, FILTERS, INLET AND EXHAUST. BORESCOPED HPT AND NOZZLE GUIDE VANES, ALL OK.