# SDR 7AHR201407083114

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 3, 2014
- Submitted: July 8, 2014
- Operation: Air carrier
- Aircraft: N120MN
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53120
- Aircraft time: 41,837 hours, 41,922 cycles
- System (JASC): [5531 · Vertical Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5531)
- Part: Spar
- Condition: Corroded
- Location: Vertical Stab
- 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/7AHR201407083114

## Discrepancy

CORROSION WAS NOTED ON LT VERTICAL STABILIZER SPAR "Z" CHANNEL, STA ZRS 149.670 TO 111.880.  REMOVED CORROSION AND INSTALLED A REPAIR IAW SRM 55-30-0, FIG 6, 51-70-5 FIG 1 AND 51-10-3.

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