# SDR SWAA2021081605774

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2021
- Submitted: August 16, 2021
- Operation: Air carrier
- Aircraft: [N479WN](https://openairdocs.org/aircraft/N479WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33990
- Aircraft time: 57,970 hours, 34,611 cycles
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Floor Panel
- Condition: Damaged
- Location: Cabin
- 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/SWAA2021081605774

## Discrepancy

A22-06; PASSENGER CABIN FLOOR PANEL 242AF; UPPER SURFACE NEAR AFT EDGE HAS DEEP SCORE DAMAGING FACESHEET ; / [01] EVALUATED DAMAGE ON FLOOR BOARD 242AF AND FOUND DAMAGE ON AFT EDGE CORNER AS DAMAGE ON FWD EDGE CORNERS AS WELL. DAMAGE IS REPAIRABLE IAW SRM 53-00-50-2R-4 REV. 73 PARA. 1<BR><BR>REMOVED DAMAGED SKIN AND CORE AND PREPPED AREAS FOR REPAIR IAW SRM 53-00-50-2R-4 REV. 73 PARA. 3. (A.-J.) AND SRM 53-00-50-2R-0 REV. 73<BR><BR>VERIFIED REPAIR MATERIALS AS BMS 9-3 TY H3 FIBERGLASS (A24484); EPOCAST 50A1 RESIN (A54258); AND BMS5-28 TY 19 POTTING COMPOUND (A47287) IAW SRM 53-00-50-2R-4 REV. 73 TABLE 201<BR><BR>REQUESTING 'OKAY TO BOND'; [02] VERIFIED STEP 1 AND OK TO BOND; [03] BONDED REPAIR PLIES TO CORNERS OF FLOOR PANEL 242AF AND CURED @ 150F FOR 3HRS; THERMOMETER #30347 DUE 4/29/22; BOND IS SATISFACTORY/ NO DEFECTS IAW SRM 53-00-50-2R-4 REV. 73 PARA. 3 (K.-M.) AND SRM 53-00-50-2R-0 REV. 73 FIG. 210<BR><BR>REMOVED AND REPLACED 6EA. INSERTS TO FACILITATE MAINTENANCE IAW BAC5085 SECT. 8.4.4.2.<BR>INSERTS (A47027)<BR>ADHESIVE (A51754); [04] REPAIRED 3EA. CORNERS ON FLOOR PANEL 242AF IAW SRM 53-00-50-2R-4 REV. 73 AND SRM 53-00-50-2R-0 REV. 73 AND INSTALLED INSERTS IAW BAC5085 SECT. 8.4.4.2.; [05] VERIFIED STEPS 3-4; [06] AUDITED

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