Service difficulty report · Pump · Boeing 757222

Difficulty date
November 25, 2013
Submitted
November 26, 2013
Operation
Air carrier
Aircraft
N548UA
Make and model
Boeing 757222
Aircraft serial
25396
Aircraft time
82,788 hours, 23,792 cycles
Engine
Pwa PW2040
Part
Pump
Part number
607551005
Condition
Faulty
Location
Fuel System
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

RT AFT FUEL PUMP CB POPS WITH FUEL PUMP SELECTED ON. RT AFT BOOST PUMP REPLACED. UNABLE TO CONTINUE TO OPERATIONAL CHECK DUE TO FAILED RESISTANCE CHECK. AFT SPAR EXFOLIATING AT LOWER BONDING ATTACH POINT PUMP ON MR28705-4, PUMP OFF MR28216 & SN 049111949A.