# SDR CALA2025010200001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 19, 2024
- Submitted: January 2, 2025
- Operation: Air carrier
- Aircraft: [N17730](https://openairdocs.org/aircraft/N17730), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28798
- Aircraft time: 79,168 hours, 28,673 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Door Sill
- Part number: 147A85408
- Condition: Corroded
- Location: Zone 200
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025010200001

## Discrepancy

(B737-06-3-0049) CORROSION ON L-2 DOOR LOWER SILL STRUCTURE INNER CHORD STA 991 TO 900.

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