# SDR MALA000692

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 25, 2000
- Submitted: December 8, 2000
- Operation: Air carrier
- Aircraft: [N413XJ](https://openairdocs.org/aircraft/N413XJ), registered now
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 413
- 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/MALA000692

## Discrepancy

FOUND DURING C-CHECK, CORROSION ON FLOORBOARD FLANGE ON PANEL 121AZ. LT SIDE BETWEEN STA 236.5 AND 258.0.  REFER TO CELSIUS W/O 18955, TASKCARD 1550.  MAINTENANCE REMOVED IB FLANGE TO REMOVE CORROSION IAW  SRM51-70-40.  IB FLANGE OUT OF LIMITS IAW SRM 51-10-10.  FABRICATED PER SAMPLE NEW FLANGE IAW SRM 51-20-20.  FABRICATED REPAIR ANGLE USING THE PRINCIPALS OF SRM 53-70-60. LOCATED, DRILLED AND TRIMMED DOUBLER, TREATED PRIMED AND TOPCOATED.  SEALED AND INS TALLED REPAIR FLANGE AND FRAME IAW SRM 51-20-42/43. 51-40-21.

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