Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
June 29, 2021
Submitted
August 4, 2021
Operation
Air carrier
Aircraft
N940WN
Make and model
Boeing 7377H4
Aircraft serial
36900
Aircraft time
39,596 hours, 24,067 cycles
Part
Floor Panel
Condition
Damaged
Location
Cabin
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

REJECT- PANEL 193AR INCORRECT REPAIR PERFORMED DUE TO DAMAGE THROUGH BOTH SKINS AND CORE; REPAIR FOR DAMAGE THROUGH ONE SKIN AND CORE WAS PERFORMED ; / [01] IDENTIFIED PANEL 193AR IAW SRM 53-40-70-0I-1 FIGURE 2. TABLE 2. ITEM 18. <BR><BR>FOUND DAMAGE TO BE OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 53-40-70-1A-1 PARA 4.A.(5). <BR><BR>REPAIR IS TO BE ACCOMPLISHED IAW SRM 51-70-05-2R-4 PER SRM 53-40-70-2R-1 PARA 4.B.(1). AND TABLE 201. <BR><BR>REMOVED REJECTED REPAIR ACCOMPLISHED ON TTG8Q005K90D THEN CLEANED REPAIR AREA IAW SRM 51-70-05-2R-4 PARA 4.A.-B.; [02] CERTIFIED STEP 1 AND VALIDATED REPAIR PER SRM 51-70-05-2R-4; [03] VERIFIED; IDENTIFIED PANEL 193AR IAW SRM 53-40-70-0I-1 FIGURE 2. TABLE 2. ITEM 18. [04] FABRICATED OUTER SURFACE REPAIR PLIES USING BMS8-79 CL3 ST.120 LOT# 1457859-1 AND INSTALLED USING BMS5-129 TY2 GR5 LOT# 1457270-4. FABRICATED CORE PLUG USING BMS8-124 CL4 TY5 GR3 LOT# 1153313 AND INSTALLED USING BMS5-90 TY3 CL1 GR50 LOT# 1461508-1. VACUUM BAGGED; CHECKED FOR LEAKS; CURED; UNBAGGED; LIGHTLY SANDED REPAIR AREA TO CONTOUR AND CLEANED IAW SRM 51-70-05-2R-4 PARA 4. C-H<BR><BR>HOT BONDER: ID- ATS532 S/N- 15092117<BR>VACUUM GAGE: ID- ATS2438 S/N- UNKNON; [12] PANEL 193AR WITH DAMAGE THROUGH BOTH SKINS AND CORE WAS REPAIRED IAW SRM 51-70-05-2R-4; [13] CERTIFIED STEPS 11 AND 12.; [14] VERIFIED WORK PERFORMED IN STEP 11 AND 12 PER SRM.

More about the Boeing 737-7H4