# SDR SCNA20240402177

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 27, 2024
- Submitted: April 2, 2024
- Operation: Air carrier
- Aircraft: [N7919A](https://openairdocs.org/aircraft/N7919A), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 32607
- Aircraft time: 53,150 hours, 26,077 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: UNKNOWN
- Condition: Corroded
- Location: Bs 500a-500i
- 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/SCNA20240402177

## Discrepancy

DURING STRUCTURAL INSPECTION PER SCA TASK CARD # 531400001_P1-OP-UP-LF/001 WAS FOUND AT THE FWD CARGO COMPARTMENT - FLOOR STRUCTURE FROM STA500A TO STA500I, LBL 23 FLOOR ZEE CHANNEL WITH CORROSION.  REPLACED FLOOR ZEE CHANNEL AT STA440 TO STA500I LBL21 AND LBL 23 I/A/W B737-800 BCF SRM 51-40-02-0G-0 PARAGRAPH 4B AND 7D AND DRAWING REF. 143A7501 AND 143A7500, WITH TWO REPAIR SPLICED FROM STA483.5 TO STA494.5 AND FROM STA 500E+5 TO 500E+15.5 LBL21 I/A/W BOEING 737-800 BCF SRM 53-00-53-2R-6 REPAIR 6 TABLE 201 FIGURE 202..

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