Service difficulty report · Indicator · Boeing 737522

Difficulty date
October 10, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N912UA
Make and model
Boeing 737522
Aircraft serial
25290
Engine
Ge CFM56*
Part
Indicator
Condition
Failed
Location
Te Flaps
Component
1812996
Stage of operation
AP
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

THERE IS A FIVE DEGREE DISCREPANCY BETWEEN THE COMMANDED AND DISPLAYED INDICATIONS ON THE TRAILING EDGE FLAPS. ALTERNATE FLAPS WERE USED TO FULLY EXTEND THE FLAPS. S/D, INSTALLED A SERVICEABLE FLAP POSITION INDICATOR. THE INDICATOR TESTED NORMAL.