# SDR SWAA2022071418636

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 2022
- Submitted: July 14, 2022
- Operation: Air carrier
- Aircraft: [N488WN](https://openairdocs.org/aircraft/N488WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33853
- Aircraft time: 59,468 hours, 35,169 cycles
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Floor Panel
- Condition: Broken
- Location: Fuselage
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2022071418636

## Discrepancy

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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