# SDR UPS99829524

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N840UP
- Make and model: Doug DC-8-73F
- Registry model: [Doug DC-8-73F](https://openairdocs.org/model/douglas-dc-8-73f) (OpenAirDocs)
- Aircraft serial: 46140
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Cusp
- Part number: J0602969
- Condition: Corroded
- Location: Bs 390-400
- 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/UPS99829524

## Discrepancy

INSPECTION TYPE:C3 LT CUSP AT FS 390 TO 400, THE UPPER SURFACE IS CORRODED BEYOND LIMITS.  REMOVED CUSP BEAM FROM FS 370 TO 470.  FABRICATED CUSP AND REPAIR ANGLES IAW SRM 53-2-5 FIG 15A. CPCP

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