# SDR SWAA2023031097736

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 2, 2023
- Submitted: March 10, 2023
- Operation: Air carrier
- Aircraft: [N8524Z](https://openairdocs.org/aircraft/N8524Z), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36970
- Aircraft time: 20,203 hours, 9,817 cycles
- System (JASC): [5740 · Wing, Attach Fittings](https://openairdocs.org/jasc/5740)
- Part: Panel
- Condition: Delaminated
- Location: Zn 600 Right Win
- 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/SWAA2023031097736

## Discrepancy

PANEL 621PB HAS DELAMINATION AT FWD INBOARD CORNER<[01] IDENTIFIED PANEL MATERIAL IAW SRM 57-41-01-0I-4 FIGURE 3; TABLE 3; ITEM [1] AND DWG DOC: 116A9110 ID: 0026 <BR><BR>PANEL FWD INBOARD CORNER IS OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 57-41-01-1A-1 PAR. 4.A.(5)<BR><BR>PANEL FWD INBOARD CORNER DAMAGE IS REPAIRABLE IAW SRM 51-70-05-2R-6 AS DIRECTED BY SRM 57-41-01-2R-1 PAR. 4.F.<BR><BR>REMOVED (2EA) BACKPLATES IAW SRM 51-40-02-0G-0 PAR. 4.E.<BR><BR>REMOVED DAMAGED FINISH FROM TOOLSIDE IAW AMM 51-21-11-150-815 PAR. 17.D.(3) & (4)(C)(1)<BR><BR>SANDED AWAY DAMAGED PLIES FROM FWD INBOARD CORNER AND CLEANED REPAIR AREA IAW SRM 51-70-05-2R-6 PAR. 4.A.-D.<BR><BR>UPDATED MEASUREMENTS TABLE.;[02] VALIDATED REPAIR PER SRM 51-70-05-2R-6;[03] VERIFIED CORRECTIVE ACTION ITEM 1-2.;[04] FABRICATED AND INSTALLED REPAIR PLIES USING BMS8-139 CL1 ST1581 LOT# 1507054-1; BMS8-139 CL1 ST120 LOT# 1513199-1 WITH ADHESIVE BMS5-154 TY2/3 CL2 GRO5 LOT# 1509243-1 SET UP VACUUM BAG SYSTEM WITH LEAK CHECKED GOOD AND SET TO CURE USING HEATCON HOTBONDER ID: ATS532 CAL/DUE: 06/2023 IAW SRM 51-70-05-2R-6 PAR. 4.E.-G.;

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