# SDR MALA000294

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2000
- Submitted: May 12, 2000
- Operation: Air carrier
- Aircraft: N406XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 406
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Condition: Cracked
- Location: Wing
- 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/MALA000294

## Discrepancy

DURING C-CHECK, FOUND 3 & 4 RIBS CRACKED AT ENDS OF LEADING EDGE STA 611 BR.  MX FABRICATED NEW ANGLES AND SHIMS IAW 57-10-30, HOLES TRANSFERRED FROM EXISTING HOLES AND IAW SRM 57-10-30.  CUT BACK 3 SUPPORT RIBS WITH CRACKS IN REF TO SRM 57-10-30, FNDT REQUIRED TO VERIFY REMOVAL OF CRACKS.  ALODINED AND PRIMED ANGLES AND SHIMS IAW SRM 51-20-42/43, WET INSTALLED RIVETS AND FAY SEALED ANGLES AND SHIMS IAW SRM 51-20-50.  TOP COAT EFFECTED AREA ON EXTERIOR SURFACE IAW SRM 51-20-43.

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