Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
July 28, 2021
Submitted
September 15, 2021
Operation
Air carrier
Aircraft
N447WN
Make and model
Boeing 7377H4
Aircraft serial
33720
Aircraft time
58,733 hours, 34,620 cycles
Part
Floor Panel
Condition
Delaminated
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

FLOOR PANEL 242UF HAS DELAMINATIONS TO UPPER AND LOWER SKINS. ; / [10] REMOVED (2EA) DRAIN FITTING ASSEMBLIES DUE TO BEING LOOSE AND FALLING OFF PANEL IAW SRM 53-00-50-2R-1 PARA 3.B AND DRAWING 140A1005. WILL REQUIRE REINSTALL UPON REPAIR COMPLETION.; [11] CURED THE REPAIR AS GIVEN IN SRM 53-00-50-2R-1 PARA 3 M (1) (A) REF SRM 53-00-50-2R-0 FIGURE 210 ELEVATED TEMP CURE REF CAL TOOL THERMOMETER ID ATS2402 SN 190204418; [12] INSTALLED NEW THROUGH INSERT 1EA REMOVED IN STEP 1 PER SRM 53-00-50-2R-0 PARA 5 S (1) USING BMS5-107 ADHESIVE LOT AK0DP4051K CURED PER FIG 213 REF CAL TOOL THERMOMETER ID ATS2402 SN190204418 .; [13] VERIFIED CORRECTIVE ACTION 11 PER SRM 53-00-50-2R-1 AND SRM 53-00-50-2R-0; [14] CORRECTION FOR CORRECTIVE ACTION 12; INSERT WAS INSTALLED ON CARD TTG8Q005YSWL. ENTERED IN ERROR ON THIS CARD.; [15] STEP REFERENCE ENTERED IN ERROR CLEANING REPAIR AREA SHOULD BE IAW SRM 53-00-50-2R-1.; [16] REINSTALLED (2EA) DRAIN FITTING ASSEMBLIES USING BMS 5-92 LOT # 0125J0121C AND CURED USING THERMOMETER ID: PER1919 S/N: 180657982 IAW DWG 147A5810-95 & 140A1006.; [17] VERIFIED CORRECTIVE ACTION 16 PER DWG 147A5810-95 & DWG 140A1006; [18] FLOOR PANEL 242UF WAS REPAIRED IAW SRM 53-00-50-2R-1 AND DRAWING 147A5810 & 140A1006. REPAIR COMPLETE.

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