# SDR 98ZZZM357

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N973NA](https://openairdocs.org/aircraft/N973NA), registered now
- Make and model: Aerosp ATR 42-300
- Registry model: [Aerosp ATR 42-300](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-300) (OpenAirDocs)
- Aircraft serial: 065
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Part number: S5721058020051
- Condition: Corroded
- Location: Lt Wing Aft
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZM357

## Discrepancy

DURING ACCOMPLISHEMENT OF SB ATR 42-57-0044R2 AD 97-26-11, FOUND CORROSION DAMAGE ON THE LEFT WING REAR SPAR LOWER EXTRUSION FOUND OUT OF LIMITS.  THE MANUFACTURE WAS CONTACTED AND A TEMPORARY REPAIR WAS PROVIDED ALLOWING TO FLY THE AIRCRAFT TO A BASE WHERE THE NECCESSARY REPAIRS COULD BE PERFORMED.  THE TEMPORARY REPAIR WAS ACCOMPLISHED IAW THE MANUFACTURER DRAWING AIRAMS/T/ATR/31761/98.  A MECHANIC WAS ONBOARD THE AIRCRAFT TO PERFORM A VISUAL INSPECTION AFTER EACH LANDING IAW THE MANUFACTURER PROCEDURES.  (M)

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