Service difficulty report · Contactor · Boeing 737232

Difficulty date
August 5, 2008
Submitted
November 3, 2008
Operation
General aviation
Make and model
Boeing 737232
Aircraft time
59,988 hours
Engine
Pwa JT8D17
Part
Contactor
Part number
91252ZC7C4001
Condition
Failed
Location
Electrical Sys
Stage of operation
TO
How discovered
O
Nature of condition
H
Precautionary procedure
A

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

What was found

(CAN) AFTER LIFTOFF, SEVERAL FAILURES OCCURED. ANTISKID INOP, F/O PITOT INOP, NR2 EPR GUAGE INOP, NR2 AFT FUEL PUMP INOP, PINNED ASSOCIATED LIGHTS TO TRANSFER BUS PROBLEMS. LANDING BOTH 115V AND 28V AC TRANSFER BUS INOP. NR2 TRANSFER BUS CONTACTOR WAS FOUND TO HAVE A VOLTAGE DROP ACROSS THE C1 AND C2 CONTACTS. ALSO HEARD LOOSE PARTS RATTLING WITHIN THE SELF CONTAINED RELAY. RELAY WAS REPLACED. (TC NR 20080829002)