# SDR SWAA2023071759974

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 2023
- Submitted: July 17, 2023
- Operation: Air carrier
- Aircraft: N417WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29822
- Aircraft time: 71,145 hours, 42,399 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Panel
- Part number: UNKNOWN
- Condition: Pulled
- Location: Zn 500 Left Wing
- 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/SWAA2023071759974

## Discrepancy

L/W L/E PANEL 521JB HAS PULLED FASTENER HOLES (MARKED)<[01] IDENTIFIED PANEL MATERIAL IAW SRM 57-41-01-0I-4 FIG 4 TABLE 4 ITEM 1.<BR>FOUND DAMAGE TO 3EA FASTENER HOLES TO BE OUT OF ALLOWABLE LIMITS IAW SRM 57-41-01-1A-1 PARA 4.A(5).<BR>DAMAGE WILL BE REPAIRED IAW SRM 51-70-04-2R-9 PER SRM 57-41-01-2R-1 TABLE 202.<BR><BR>REMOVED 2EA BACKUP PLATES TO FACILITATE REPAIR IAW SRM 51-40-02-0G-0 PARA 4.E.<BR>REMOVED ENTIRE ALUMINUM FOIL BACKING TO FACILITATE REPAIR IAW SRM 51-70-14-2R-3 PARA 4.A(2)(B;C;E).<BR>REMOVED DAMAGE TO FASTENER LOCATIONS AND CLEANED REPAIR AREA IAW SRM 51-70-04-2R-9 PARA 4.A-C.;;[07] FABRICATED ALUMINUM FOIL PLY USING BMS 8-289 LOT# 1511322-1; INSTALLED WITH BMS 5-128 LOT#JH3CA16476; VACUUM BAGGED; LEAK CHECK GOOD WITH VACUUM GAUGE ID:ATS2798 CAL DUE 06/2024; CURED WITH THERMOMETER ID:ATS2208 CAL DUE 10/2023; UNBAGGED AND TRIMMED EXCESS MATERIAL IAW SRM 51-70-14-2R-3 PARA 4.A(3-5; 11)(A-L).

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