Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
September 8, 2023
Submitted
October 6, 2023
Operation
Air carrier
Aircraft
N906WN
Make and model
Boeing 7377H4
Aircraft serial
36887
Aircraft time
51,081 hours, 29,796 cycles
Part
Floor Panel
Part number
UNKNOWN
Condition
Pulled
Location
Zn 100 Fus Lower
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

AFT FLOOR PANEL 241AAF UPPER SKIN HAS PULLED STRANDS.<[01] DUE TO THE EXTENT OF ALL THE DAMAGE; DECIDED TO FABRICATE A NEW FLOOR PANEL. ROUGH-CUT FLOOR PANEL USING BMS4-17 TYPE VI LOT 1531501-1 AND DETERMINED INSERT HOLE LOCATIONS; WORK PERFORMED IAW SRM 53-00-50-2R-0 PARAGRAPH 4 AND BOEING DRAWING 147A5810 SHEET 8.;[02] UPSIZED INSERT HOLE LOCATIONS TO 1/2' DIAMETERS; INSTALLED INSERTS WITH BMS5-107 LOT 1538621-1 RESIN AND CURED A RESIN UNDER A HEAT LAMP USING THERMOMETER ID: ATS2209 CAL DUE: 10/2023; WORK PERFORMED IAW SRM 53-00-50-2R-0 PARAGRAPH 4.A.(1) AND TABLE 204; ALSO IAW BOEING DRAWING 147A5810-8.;[03] VERIFIED CORRECTIVE ACTION 1 & 2 AND MEASUREMENTS TABLE.;[04] AFT FLOOR PANEL 241AAF WITH UPPER SKIN PULLED STRANDS WAS REPAIRED IAW SRM 53-00-50-2R-0.;[05] VERIFIED FLOOR PANEL 241AAF REPAIRED VIA FABRICATION PER SRM 53-00-50-2R-0 PARAGRAPH 4 AND BOEING DRAWING 147A5810 SHEET 8.

More about the Boeing 737-7H4