# SDR SWAA2023080977905

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 12, 2023
- Submitted: August 9, 2023
- Operation: Air carrier
- Aircraft: [N965WN](https://openairdocs.org/aircraft/N965WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36677
- Aircraft time: 38,362 hours, 23,630 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: UNKNOWN
- Condition: Chafed
- Location: Zn 100 Fus Lower
- 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/SWAA2023080977905

## Discrepancy

CHAFING ON INNER FUSELAGE SKIN AT FWD CABIN BS277+5; 3'OB OF S-2L LBL10.<[01] UPDATED MEASUREMENT TABLE.<BR>VERIFIED SRM 53-00-01-2R-38 IS APPLICABLE TO REPAIR SMALL DAMAGE IN FUSELAGE SKIN.<BR>DRILLED OUT DAMAGE TO A .125 DIAMETER PER SRM 53-00-01-2R-38 PARA. 4C2;[02] VERIFIED CORRECTIVE ACTION 1;[03] REQUEST NDI TO HFEC HOLE PROBE INSPECT TO ENSURE A CRACK FREE CONDITION.;[04] ACCOMPLISHED HFEC OPEN HOLE INSPECTION IAW 737 NDTM PART 6 CHAPTER 51-00-00 PROCEDURE 16. NO CRACKS NOTED.<BR><BR>EQUIPMENT USED: NORTEC 600 ID: ATS1465 CAL DUE: 09/2023;[05] UPDATED MEASUREMENT TABLE.<BR>OVERSIZED FASTENER HOLE TO .1875 AND APPLIED CHEMICAL CONVERSION COATING PER SRM 53-00-01-2R-38 PARA. 4E4.;[06] VERIFIED CORRECTIVE ACTION 5;[07] INSTALLED FASTENER PER SRM 53-00-01-2R-38 PARA. 4E(5C);[08] VERIFIED CORRECTIVE ACTIONS STEP 7.;[09] COMPLETE

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