# SDR CALA2024111302846

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2024
- Submitted: November 13, 2024
- Operation: Air carrier
- Aircraft: [N37267](https://openairdocs.org/aircraft/N37267), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31586
- Aircraft time: 72,499 hours, 25,533 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Part number: 147A6128U53
- Condition: Corroded
- Location: Zone 500
- 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/CALA2024111302846

## Discrepancy

UNDER PANEL 521LB FRAME IS CORRODED (REF AAR NR 1000020593) PERFORMED REPAIR ON LH WING UNDER PANEL 521LB, IAW B737-800, ECR A 5720-0379, EO-240615, P1 AND P2, SRM 57-20-01-2R-3. THIS REPAI R REQUIRE INSPECT AS GIVEN IN ECRA 5720-03479, PART 1 STEP 2:AFT ER APRIL 11,2026, BUT BEFORE MAY 11, 2026 , PERFORM AN

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