# SDR DALA2023042403184

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2023
- Submitted: April 24, 2023
- Operation: Air carrier
- Aircraft: [N957DZ](https://openairdocs.org/aircraft/N957DZ), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 38748
- Aircraft time: 23,398 hours, 13,033 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Unknown
- Condition: Unknown
- Location: Unknown
- 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/DALA2023042403184

## Discrepancy

AIRCRAFT 3957, CRACK SUPPORT CHANNEL FLOOR STRUCTURE LOCATED BS 540, RBL 3.0 AT CENTER WING BOX. CORRECTIVE ACTION: REPLACED SUPPORT CHANNEL FLOOR STRUCTURE LOCATED BS 540, RBL 3.0 AT CENTER WING BOX AS PER B737-900ER SRM 51-40-02. (LP 2732097)

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