# SDR SWAA2025012876205

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 2024
- Submitted: January 28, 2025
- Operation: Air carrier
- Aircraft: [N279WN](https://openairdocs.org/aircraft/N279WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32532
- Aircraft time: 58,093 hours, 35,146 cycles
- System (JASC): [5414 · Nacelle/Pylon, Plate/Skin](https://openairdocs.org/jasc/5414)
- Part: Plate
- Condition: Cracked
- Location: Zone 400
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025012876205

## Discrepancy

CRACK ON INBOARD AND OUTBOARD PLATE LOCATED ACCESS PANEL 431AT AT ENGINE 1 (2 E/A) 2024-758822<[01] REPLACED INBOARD AND OUTBOARD PLATE LOCATED ACCESS PANEL 431AT AT ENGINE 1 (2 E/A) IAW B737-700 SRM 51-10-02 AND SRM 51-40-02 . LENGTH OF CRACK IS: 0.626? TOOL USED DIGITAL CALIPER P/N:500-197-30 S/N:B23394214 DUE DATE:06/FEB/25.;[02] PART REQUIREMENT WITH BN 533725 SIGNED BY ERROR; THE CORRECTED PART NUMBER IS KT313A2114U1 BN 564110;[03] TASK 1 AND 2 VERIFIED; COMPLETE.

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