# SDR CALA2022030900610

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2022
- Submitted: March 9, 2022
- Operation: Air carrier
- Aircraft: [N38403](https://openairdocs.org/aircraft/N38403), registered now
- Make and model: Boeing 737900
- Aircraft serial: 30120
- Aircraft time: 56,942 hours, 23,534 cycles
- System (JASC): [5100 · Standard Practices/Structures](https://openairdocs.org/jasc/5100)
- Part: None
- Part number: 141A81124
- Condition: Corroded
- Location: Sta 312-348.2
- 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/CALA2022030900610

## Discrepancy

FLOOR SUPPORT ON OUTBOARD SIDE BY L1 DOOR HAS CORROSION BETWEEN STA 312 THRU STA 348.2 (REF AAR RFD NR REPLACED INNER CHORD & ANGLE ATTACHED TO INNER CHORD ON OUTBOARD SIDE BY L1 DOOR BETWEEN STA. 312 THRU STA. 348.2 IAW B737-900 S RM 51-40-02-0G-0 & DWG 143A5900, 141A8110 & 141A5220 (WORK ACCOM PLISHED BY AND AAR QC

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