# SDR UPS804374

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 11, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N755UP
- Make and model: Doug DC-8-71F
- Registry model: [Doug DC-8-71F](https://openairdocs.org/model/douglas-dc-8-71f) (OpenAirDocs)
- Aircraft serial: 46055
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Doubler
- Part number: 10322424T3
- Condition: Cracked
- Location: Fs 450
- 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/UPS804374

## Discrepancy

WHILE IN DALFORT FOR C-CHECK, MAINTENANCE FOUND FS 450 FINGER DOUBLER CRACKED BETWEEN LONGERONS 31L AND 31R.  REPLACED DOUBLER PER SRM 51-1-21.

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