Service difficulty report · Floor Support · Boeing 737*

Difficulty date
October 14, 2021
Submitted
November 11, 2021
Operation
Air carrier
Aircraft
N450WN
Make and model
Boeing 737*
Aircraft serial
32470
Aircraft time
58,641 hours, 34,716 cycles
Part
Floor Support
Condition
Corroded
Location
Fuselage
Stage of operation
IN
How discovered
9
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

FLOOR SUPPORT AT BS 259- BS 270 LBL-11 UPPER SURFACE IS CORRODED. ; / [01] REMOVED CORROSION ON FLOOR SUPPORT UPPER SURFACE AT B.S 260-270;MATERIAL REMOVED 7'L X.900'W PER SRM 53-10-51-1A-1 FIG 104; [02] VERIFIED CORRECTIVE ACTION STATEMENT 1; [03] UT INSPECTED BLENDED AREA IAW 737 NDTM PART 4 51-00-00 PROCEDURE 2; REMAINING THICKNESS IS 0.052'<BR>EQUIP ID#: ATS2031 S/N: 170515011; [04] REFER TO FAULT TTG8Q006WFJK WHERE EA 21-153-03187 WAS ADDED AS A SUBTASK; [05] RII STEPS VERIFIED AS REQUIRED; [06] VERIFIED FAULT TO BE ADDRESSED ON TTG8Q006WFJK AND EA 21-153-03187