SDR 98ZZZX2877

Service difficulty report · Control Unit · Boeing 727231

Difficulty date
July 16, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N808MA
Make and model
Boeing 727231
Aircraft serial
21988
Part
Control Unit
Part number
65249203
Condition
Malfunctioned
Location
E/E Compartment
Stage of operation
CR
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

LOG PAGE: 24836 - DURING CRUISE, WHEEL WELL FIRE WARNING LIGHT AND BELL CAME ON. COMPLETED AOM PROCEDURES AND INDICATION DID NOT RETURN. THE NGU TROUBLESHOT SYSTEM, INSPECTED LOOPS, WIRING, GROMMETS, AND FASTENERS IN L/R WHEELS. NO DEFECTS NOTED. REMOVED WATER CONTAMINATION FROM L/R WHEEL WELL DISCONNECT C/P. SYSTEM CHECK OK IAW MM 2612-1. LOG PAGE 24840 IN ERW R/R FIRE DETECTOR CONTROL UNIT FOR COMPANY CONVENIENCE. OPS CHECK OK IAW 26/14/11. (X)