SDR USAA990374

Service difficulty report · Support · Boeing 737401

Difficulty date
May 19, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N407US
Make and model
Boeing 737401
Aircraft serial
23877
Part
Support
Part number
655224615
Condition
Corroded
Location
Te Mid Flap
Part time
30,855 hours
Stage of operation
IN
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

CLT - DURING SHOP VISIT, FOUND CORROSION IN BEARING RETAINER BORE AT INBOARD MID FLAP INBOARD CARRIAGE, INBOARD SUPPORT ARM, AT ECCENTIC BEARING BORE. CORROSION TASK NR C57-306-04, CORROSION LEVEL 2. DEFECTIVE PART REPLACED WITH IDENTICAL PART NR. (M)