Service difficulty report · Floor Panel · Boeing 7377H4

Difficulty date
June 14, 2022
Submitted
July 14, 2022
Operation
Air carrier
Aircraft
N488WN
Make and model
Boeing 7377H4
Aircraft serial
33853
Aircraft time
59,468 hours, 35,169 cycles
Part
Floor Panel
Condition
Broken
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

FWD CABIN FLOOR PANEL 221BF AFT O/B CORNER (TANG) IS BROKEN / [01] IDENTIFIED PANEL MATERIAL IAW SRM 53-00-50-0I-1 FIG 2 TABLE 2.<BR>FOUND DAMAGE TO AFT 0/B CORNER TO BE OUT OF ALLOWABLE LIMITS IAW SRM 53-00-50-1A-1 PARA 4.F.<BR>DAMAGE WILL BE REPAIRED IAW SRM 53-00-50-2R-6.<BR>REMOVED DAMAGE TO AFT O/B CORNER; CLEANED REPAIR AREA; FABRICATED UPPER SURFACE REPAIR PLIES USING BMS 9-3H2 LOT#1493221-1 AND CORE PLUG FROM BMS 8-124C4T5GR9 LOT#1287137 IAW SRM 53-00-50-2R-6 PARA 3C-G.<BR>OK TO INSTALL;[02] VALIDATED APPLICABILITY OF SRM 53-00-50-2R-6.;[03] VERIFIED CORRECTIVE ACTIONS 1 AND 2;[04] INSTALLED CORE PLUG USING BMS 5-28; TY 19 COMPOUND (LOT# AK2AP8108K); APPLIED FIBERGLASS PLIES USING BMS 8-201; TY 3 RESINAK1JP9149K); VACUUM BAGGED REPAIR AREA; AND ACCOMPLISHED VACUUM BLEED DOWN TEST (PASS); ALL ACCORDING TO SRM 53-00-50-2R-6; PARA'S 3.E THRU 3.H.(1). AREA IS SET TO CURE.<BR><BR>VACUUM GAUGE ID: ATS2545; DUE: 08/2022;[08] CLEANED REPAIR AREA AND FABRICATED REPAIR PLIES FOR LOWER SURFACE FROM BMS 9-3; ST 1581 FIBERGLASS (LOT# 1493221-1); ALL ACCORDING TO SRM 53-00-50-2R-6; PARA. 3.K.(1).<BR><BR>REQUEST OK TO LAYUP.;[09] INSPECTED ACTION 8;[10] APPLIED REPAIR PLIES USING BMS 8-201; TY 3 RESIN (LOT# AK1JP9149K); VACUUM BAGGED AREA FOR HEAT LAMP CURE; ACCOMPLISHED VACUUM BLEED DOWN TEST (PASS); ALL ACCORDING TO SRM 53-00-50-2R-6; PARA'S 3.K.(1) AND 3.L.(1). AREA IS SET TO CURE.<BR><BR>VACUUM GAUGE ID: ATS2545; DUE: 08/2022;

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