# SDR MALA010166

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2001
- Submitted: February 5, 2001
- Operation: Air carrier
- Aircraft: N420XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 420
- Aircraft time: 9,508 hours, 10,719 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- 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/MALA010166

## Discrepancy

FOUND DURING C-CHECK, CORROSION ON UPPER ANGLES AT INTERCOASTAL BETWEEN FRAMES AT STA 236 AND STA 238, BENEATH FLOOR AT LBL 10.  REFER TO CELSIUS W/O 19279, TASK 1541.  MAINTENANCE REMOVED CORROSION IAW SRM 51-70-40.  MATERIAL IS OUT OF LIMITS REF: 51-10-10, FABRICATED REPAIR ANGLE IAW SRM 51-20-20/51-40-60, ALODINED, PRIMED AND PAINTED IAW SRM 51-20-42/43.  INSTALLED REPAIR ANGLES IAW SRM 51-40-21.

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