# SDR SWAA2023040711525

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 2023
- Submitted: April 7, 2023
- Operation: Air carrier
- Aircraft: [N212WN](https://openairdocs.org/aircraft/N212WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32485
- Aircraft time: 59,558 hours, 35,743 cycles
- System (JASC): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Strap
- Condition: Corroded
- Location: Zn 600 Right Win
- 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/SWAA2023040711525

## Discrepancy

CORROSION FRONT SPAR LOWER STRAP LOCATED OFSS463 AT RT WING 2023-142947<[01] TOOL USED USED EDDY CURRENT FLAW DETECTOR PN: NORTEC 600D; SN: 210138103 CAL DUE DATE: 11-APR-23<BR><BR>TOOL USED PN ULTRASONIC EQUIPMENT PN:45MG; SN: 130066701; DUE DATE: 08-APR-23;[02] REPAIRED FRONT SPAR LOWER STRAP LOCATED OFSS463 AND OSS 227.95 AT RT WING IAW EA 23-157-00877 REV. 1 AND EA 23-157-00877 WIP1 REV. 1. SEE INDIVIDUAL SIGNOFF BELOW.;[03] CERTIFIED STEP 2; COMPLETED

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