# SDR MALA000699

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2000
- Submitted: December 8, 2000
- Operation: Air carrier
- Aircraft: N421XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 421
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Fuselage
- 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/MALA000699

## Discrepancy

FOUND DURING C-CHECK, CORROSION ON FLOOR PANEL AT STA 258.0FROM LBL 16 THRU RBL 16.  REFER TO CELSIUS W/O 18910, TASK CARD 1529.   MAINTENANCE REMOVED CORROSION AND CHECKED LIMIT,  BLENDED CORROSION ON FLOOR PANEL FLANGEAT STA 258 FROM LBL16 THRU RBL16 IAW SRM 51-70-40.  REMAINING  MATERIAL IS OUT OF LIMITS REF SRM 51-10-10.  FABRICATED NEW FLANGE PER SAMPLE,  FABRICATED (1)EA. REPAIR DOUBLER, TREATED, PRIMED AND TOPCOATED IAW 51-20-42/43 AND INSTALLED SRM 51 -40-21.

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