# SDR CALA2023040300971

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2023
- Submitted: April 3, 2023
- Operation: Air carrier
- Aircraft: [N25705](https://openairdocs.org/aircraft/N25705), registered now
- Make and model: Boeing 737
- Aircraft serial: 28766
- Aircraft time: 77,491 hours, 27,915 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Structure
- Part number: 147A85407
- Condition: Corroded
- Location: Door 2l
- 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/CALA2023040300971

## Discrepancy

CABIN FLOOR STRUCTURE SHOWS EVIDENDE OF CORROSION AT L-2 DOOR INNER CHORD LOWER SURFACE AND AROUND ANCHOR NUTS STA 917 REF AAR N/R 975506 REMOVED AND REPLACED NEW CABIN FLOOR L-2 DOOR INNER CHORD FROM STA 897 TO STA 1016 LBL 60 PER REF B737 SRM 51-40-02-0G-0 AND DWG 147A8501 WORK ACCOMPLISHED BY V894534 INSP C/W

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