SDR USAA951324

Service difficulty report · Floor Beam · Boeing 737401

Difficulty date
December 11, 1995
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N422US
Make and model
Boeing 737401
Aircraft serial
23989
Part
Floor Beam
Condition
Cracked
Location
Bs 520
Part time
19,951 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

INT - DURING 'Q-3' CHECK VISUAL INSPECTION, FOUND STA 520 FLOOR BEAM NEEDS TO BE MODIFIED AT BL ZERO PER SB 737-53-1120 DUE TO CRACKS AT LBL 45, RLB 25, RBL 45 AND LBL 25. MODIFIED CHANNEL PLUS LINK INSTALLED PER REF EA 40383 SB 737-53-1120. NOTE: NO REPAIR MADE. MODIFIED CHANNEL PLUS LINK INSTALLED ONLY. REPAIRED PER SB 737-53-1120, EA 40383. (X)