# SDR CALA2024120202994

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 27, 2024
- Submitted: December 2, 2024
- Operation: Air carrier
- Aircraft: [N34222](https://openairdocs.org/aircraft/N34222), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28931
- Aircraft time: 79,161 hours, 29,220 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Door Sill
- Part number: 141A81121
- 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/CALA2024120202994

## Discrepancy

FWD CABIN WET AREA L-1 DOOR LOWER CUTOUT SILL INNER CHORD HAS EXFOLIATED CORROSION BETWEEN STA 312 AND 344 AT LBL 60 STA MKD DOT 022 REF AAR N/R 9928259.   REMOVED AND REPLACED INNER CHORD AT FWD CABIN WET AREA L-1 DOOR LOWER CUTOUT AS PER B737 SRM 51-40-05-0G-0

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