# SDR UPS99230120

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N928UP
- Make and model: Boeing 727-22C
- Registry model: [Boeing 727-22C](https://openairdocs.org/model/boeing-727-22c) (OpenAirDocs)
- Aircraft serial: 19091
- System (JASC): [5520 · Elevator Structure](https://openairdocs.org/jasc/5520)
- Part: Balance Panel
- Condition: Corroded
- Location: Nr 5 Elevator
- 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/UPS99230120

## Discrepancy

INSPECTION TYPE:C, NR 5 ELEVATOR BALANCE PANEL RT HAS EVIDENCE OF CORROSION ON PANEL TO HINGE ATTACH RACK.  CORROSION REMOVED AND FOUND TO BE OUT OF LIMITS IAW SRM 51-10-6.  BALANCE PANEL REPLACED AND INSTALLED IAW MM 27-30-21.

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