# SDR 2018FA0000452

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 27, 2018
- Submitted: October 27, 2018
- Operation: General aviation
- Aircraft: [N5961G](https://openairdocs.org/aircraft/N5961G), registered now
- Make and model: Cessna 150K
- Registry model: [Cessna 150K](https://openairdocs.org/model/cessna-150k) (OpenAirDocs)
- Aircraft serial: 15071461
- Aircraft time: 10,671 hours
- System (JASC): [3211 · Main Landing Gear Attach Section](https://openairdocs.org/jasc/3211)
- Part: Stiffener
- Part number: 04118991
- Condition: Corroded
- Location: Zone 100
- Part time: 10,671 hours
- 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/2018FA0000452

## Discrepancy

PART NUMBER 0411899-1, STIFFENER ASSEMBLY LANDING GEAR BULKHEAD, FOUND TO HAVE SIGNIFICANT CORROSION OF LOWER SECTION UNDER MAIN LANDING GEAR. DISCOVERED DURING THE ANNUAL INSPECTION WHEN WHAT APPEARED TO BE A DEFECT OF ATTACHING PART 0411903-1, ANGLE - LOWER OUTBOARD LT, WAS OBSERVED. FURTHER INSPECTION FOUND THAT LOWER SECTION OF PN 0411899-1 WAS CORRODED COMPLETELY AWAY. DUE TO LACK OF SUPPORT, PN 0441172-1, BULKHEAD ASSEMBLY - LANDING GEAR INBOARD, DEVELOPED A CRACK. PICTURES TO FOLLOW BY EMAIL.

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