# SDR UPS99830739

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N836UP](https://openairdocs.org/aircraft/N836UP), registered now
- Make and model: Doug DC-8-73F
- Registry model: [Doug DC-8-73F](https://openairdocs.org/model/douglas-dc-8-73f) (OpenAirDocs)
- Aircraft serial: 45936
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Blkhd Stiffener
- Condition: Corroded
- Location: Bs 8
- 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/UPS99830739

## Discrepancy

INSPECTION TYPE:C1, VERTICAL STIFFENER FWD FLANGE WAS CORRODED, AFT SIDE OF STA 8 BULKHEA D AT L28R.  FABRICATED STIFFENER END REPAIR ANGLES IAW TIMCO REO 06773, HEAT TREAT PERFORMED IAW TPS-1003 REV A O CONDITION TO T6.  DRILLED UP IAW  DC8 SRM 51-1-24 & TIMCO REO-06773.  INSTALLED STIFFENER END REPAIR ANGLES IAW TIMCO REO-06773.

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