Service difficulty report · Motor · Boeing 7373B7

Difficulty date
January 1, 2004
Submitted
February 10, 2004
Operation
Air carrier
Aircraft
N391US
Make and model
Boeing 7373B7
Aircraft serial
23313
Part
Motor
Part number
569670
Condition
Failed
Location
Te Flap
Part time
32,390 hours
Stage of operation
AP
How discovered
O
Nature of condition
F
Precautionary procedure
L, A

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

What was found

DURING APPROACH, CREW REPORTED LE & TE FLAPS WOULD NOT EXTEND. CREW RECYCLED CIRCUIT BREAKERS PER MAINT CONTROL REQUEST, BUT CONDITION REMAINED. FLT DIVERTED AS CREW ACCOMPLISHED QUICK REFERENCE HANDBOOK PRECEDURES FOR ALTERNATE FLAP EXTENSION. FLT LANDED WITHOUT INCIDENT. NO EMERGENCY DECLARED. MAINT R & R FLAP POSITION INDICATOR, AS PRECAUTION, PER MM. OPS CHECK GOOD. UNFORTUNATELY, PROBLEM REOCCURED NEXT DAY. CREW ACCOMPLISHED PROCEDURES FOR ALTERNATE FLAP EXTENSION. FLT LANDED WITHOUT INCIDENT. MAINTENANCE R & R TE FLAP HYD MOTOR. OPERATIONAL CHECK OF FLAPS GOOD. ALSO, LUBRICATED TE FLAP BALLSCREWS IN ASSOCIATION WITH MM. (M)

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