# SDR MALA040456

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 2004
- Submitted: June 25, 2004
- Operation: Air carrier
- Aircraft: [N364PX](https://openairdocs.org/aircraft/N364PX), registered now
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B262
- Aircraft time: 31,528 hours, 26,285 cycles
- System (JASC): [3445 · Air Collision Avoidance System](https://openairdocs.org/jasc/3445)
- Part: Antenna
- Condition: Corroded
- Location: Tcas
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA040456

## Discrepancy

DURING 4K INSPECTION IN LCQ, EVIDENCE OF HEAVY CORROSION UNDER EXTERNAL DOUBLER STA 248 SL1527-SL1627.  DURING 4K CHECK, CORROSION WAS FOUND OF THE TCAS ANTENNA DOUBLER AND LOWER FUSELAGE SKIN.  REPAIRED IN IAW MESABA EO S53232.  A/C RELEASE DATE 6/24/04.

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