# SDR EE4Y2018041906385

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2018
- Submitted: April 19, 2018
- Operation: Air carrier
- Make and model: Boeing 737-400
- Registry model: [Boeing 737-400](https://openairdocs.org/model/boeing-737-400) (OpenAirDocs)
- Aircraft serial: 27157
- Aircraft time: 53,992 hours, 29,261 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Condition: Cracked
- Location: Lt Wing
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/EE4Y2018041906385

## Discrepancy

DURING THE INSPECTIONS IAW SB 737-57A1318 R0 AND AD2014-12-13, THE LT WING, REAR SPAR UPPER SECTION CRACKED AT RSS 221. THE DAMAGED SPAR WAS REPAIRED IAW SRM 57-20-10, REPAIR 4.

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