# SDR UPS07850539

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2007
- Submitted: August 31, 2007
- Operation: Air carrier
- Aircraft: N801UP
- Make and model: Doug DC-8-73F
- Registry model: [Doug DC-8-73F](https://openairdocs.org/model/douglas-dc-8-73f) (OpenAirDocs)
- Aircraft serial: 46101
- Aircraft time: 88,304 hours, 25,808 cycles
- System (JASC): [5530 · Vertical Stabilizer](https://openairdocs.org/jasc/5530)
- Part: Stiffener
- Condition: Corroded
- Location: Vertical Stab
- 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/UPS07850539

## Discrepancy

INSPECTION TYPE:C2 SMALL HORIZ STIFFENER CORRODED/EXFOLIATED INSIDE VERT STAB REAR SPAR, THROUGH ACCESS PNL 55.  REMOVED DAMAGED STIFFENER ON VERT STAB INSIDE ACCESS PNL 55 IAW SRM 51-01-21.  FABRICATED AND INSTALLED REPAIR STIFFENER IAW SRM 51-01-21 AND DWG 5611400.

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