# SDR DALA2024021201926

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 2024
- Submitted: February 12, 2024
- Operation: Air carrier
- Aircraft: [N940DU](https://openairdocs.org/aircraft/N940DU), registered now
- Make and model: Boeing 737-9GPER
- Registry model: [Boeing 737-9GPER](https://openairdocs.org/model/boeing-737-9gper) (OpenAirDocs)
- Aircraft serial: 38723
- Aircraft time: 23,475 hours, 16,619 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Part number: UNKNOWN
- Condition: Corroded
- Location: Bs 1040 Bl0-5l
- 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/DALA2024021201926

## Discrepancy

(LOG 0190047) CORROSION ON FLOOR STIFFENER AT STA 1040 BL0-LBL5 WL208. REMOVED AND REPLACED FLOOR STIFFENER AT STA 1040 LH BL 0-LBL 30 WL 208 IAW B737-900 SRM 51-40-02-0G PAR. 4B AND DWG. 147A5116.

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