# SDR SWAA2022040883069

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2022
- Submitted: April 8, 2022
- Operation: Air carrier
- Aircraft: [N468WN](https://openairdocs.org/aircraft/N468WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33858
- Aircraft time: 58,378 hours, 34,580 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Debonded
- 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/SWAA2022040883069

## Discrepancy

PANEL 193AL HAS DISBOND ON INNER SURFACE CORE AREA; MARKED / [01] IDENTIFIED PANEL IAW SRM 53-40-70-0I-1 FIG 2 TABLE 2 ITEM 7. <BR><BR>DAMAGE TO INNER SURFACE CORE AREA IS BEYOND ALLOWABLE DAMAGE LIMITS IAW SRM 53-40-70-1A-1 PARA 4.A (6). <BR><BR>DAMAGE TO (1EA) AREA WILL BE REPAIRED IAW SRM 51-70-05-2R-1 AS GIVEN IAW SRM 53-40-70-2R-1 PARA 4.B (1); 4.D; AND TABLE 201. <BR><BR>REMOVED DAMAGE ON INNER SURFACE CORE AREA (1.4' X 1.4'); WITH NO DAMAGE TO HONEYCOMB CORE ALL IAW SRM 51-70-05-2R-1 PARA 4.A - 4.D.;[02] VALIDATED APPLICABILITY OF REPAIR TO BE COMPLETED IAW SRM 51-70-05-2R-1.;[03] VERIFIED CORRECTIVE ACTIONS 1 AND 2<BR><BR>VALIDATED REPAIR PER SRM 51-70-05-2R-1.;[04] FABRICATED AND INSTALLED REPAIR PLIES USING FIBERGLASS BMS 8-139; STYLE 120; LOT# 1478251-1 AND FILM ADHESIVE BMS 5-154; TYPE 2/3; CLASS 2; GRADE 5; LOT# 1479027-3. <BR>VACUUM BAGGED REPAIR; CHECKED VACUUM BAG LEAKS; VACUUM BAG CHECKED GOOD AND SET REPAIR TO CURE. WORK ACCOMPLISHED IAW SRM 51-70-05-2R-1 PAR 4.C-E. <BR><BR>CALIBRATED TOOLS USED: <BR>VACUUM GAUGE ID: ATS2545; S/N: 542505520 <BR>HOT BOND MACHINE ID: NCX000526; S/N: 12051216;

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