# SDR CALA2023061901920

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 2023
- Submitted: June 22, 2023
- Operation: Air carrier
- Aircraft: [N24736](https://openairdocs.org/aircraft/N24736), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28803
- Aircraft time: 74,132 hours, 25,194 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Part number: 73746044
- Condition: Corroded
- Location: R Wing Lwr
- 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/CALA2023061901920

## Discrepancy

RH WING LOWER SURFACE HAS CORROSION AT TWO LOCATIONS APPROXIMATELY 3" I/B OF WINGLET AND 28" FWD OF WING T/E AND APPROXIMATELY 29" I/B OF WINGLET AND 25" FWD FROM WING T/E. PERFORMED PERMANENT REPAIRS IAW ECRA 572101477 TO RH WING LOWER SURFACE CORROSION AT TWO LOCATIONS APPROXIMATELY 3" I/B OF WINGLET AND 28" FWD OF WING T/E AND APPROXIMATELY 29" I/B OF WINGLET AND 25" FWD FROM WING T/E. CHECK REPAIR AND REFERENCES OK. REMOVED CORROSION AT RH WING ON LOWER WINGTIP PANEL ASSY BETWEEN WBL 616.75 AND WBL 658.17 IAW B737-700 EO 5730-23014 PART 1 BLE ND OUT LOCATION 2 AND FINAL ECRA 5721-01477. DATA WAS TRASNCRIBE D FROM PAPER DOC AERSALE WO 3962 OP 31350 BY MECH V940623.

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