# SDR UPS00433726

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2000
- Submitted: September 13, 2000
- Operation: Air carrier
- Aircraft: [N691UP](https://openairdocs.org/aircraft/N691UP), registered now
- Make and model: Boeing 747121
- Aircraft serial: 19641
- Aircraft time: 95,273 hours, 22,812 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Fitting
- Condition: Corroded
- Location: Horizontal 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/UPS00433726

## Discrepancy

INSPECTION TYPE:C, RT HORIZONTAL STABILIZER INTERIOR CORROSION FOUND ON A RIGHT ANGLE FITTING AT STAB STA 243, BETWEEN REAR SPAR AND S1 UPPER SURFACE.  PLEASE INVESTIGATE NEW FITTING, FABRICATED IAW E0100940 AND FITTED IAW SRM 51-30-02.

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