# SDR SWAA2023021690836

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2023
- Submitted: February 16, 2023
- Operation: Air carrier
- Aircraft: N565WN
- Make and model: Boeing 737-76Q
- Registry model: [Boeing 737-76Q](https://openairdocs.org/model/boeing-737-76q) (OpenAirDocs)
- Aircraft serial: 30282
- Aircraft time: 56,383 hours, 37,305 cycles
- System (JASC): [5322 · Fuselage Internal Mounting Structure](https://openairdocs.org/jasc/5322)
- Part: Track
- Condition: Corroded
- 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/SWAA2023021690836

## Discrepancy

CORR0SION AFT CARGO TRACK TIE BS927+17 RBL 14<[01] VERIFIED APLICABILITY SRM 53-70-53-01-2 FOR IDENTIFICATION AND SRM 53-00-53-1A-2 FOR ALLOWABLE DAMAGE<BR><BR>REMOVED CORROSION ON AFT CARGO TRACK TIE BS927+17 RBL 14<BR>DIMENSIONS L=0.700' W=0.800' MAX.MAT.LOSS 0.021';<BR>ORIGINAL THICKNESS IS .140' REMAINING THICKNESS 0.119'<BR>MAX.MAT.REMOVED ALLOWABLE 0.040'<BR> FOUND TO BE WITHIN LIMITS PER SRM 53-00-53-1A-2.<BR><BR>USED TOOL ID: ATS1738 DATE DUE: 10/2023 S/N UNKNOWN<BR>OK CHEMICAL CONVERSION AND PRIMER;[02] VERIFIED CORRECTIVE ACTION ITEM; OK FOR CHEMICAL CONVERSION AND PRIMER.;[03] APPLIED CHEMICAL CONVERSION COATING AND PRIMER ON AFT CARGO TRACK TIE BS927+17 RBL 14 - IAW 737-700; AMM 51-21-72-370-804; AMM 51-21-41-370-80;[04] VERIFIED CORRECTIVE ACTION 3 AND MEASUREMENT TABLE.

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