# SDR CALA2020022900542

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 27, 2020
- Submitted: February 29, 2020
- Operation: Air carrier
- Aircraft: [N14240](https://openairdocs.org/aircraft/N14240), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28952
- Aircraft time: 65,138 hours, 24,519 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Part number: 147A854007
- Condition: Corroded
- Location: Bs 951-990
- 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/CALA2020022900542

## Discrepancy

AFT FLOOR STRUCTURE WET AREA L2 DOOR MAIN SILL INNER CHORD ANGLE HAS EVIDENCE OF SURFACE CORROSION BETWEEN BS 951 AND BS 990 APPROX LBL-60 (REF AAR NR 99870632) REMOVED AND REPLACED AFT FLOOR STRUCTURE WET AREA L2 DOOR MAIN SILL INNER CHORD AS PER REF B737-800 SRM 51-40-02 AND DWG 147A8501. ADD EMP:V891105

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