# SDR UPS99230300

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N935UP
- Make and model: Boeing 727-1A7C
- Registry model: [Boeing 727-1A7C](https://openairdocs.org/model/boeing-727-1a7c) (OpenAirDocs)
- Aircraft serial: 20143
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Condition: Corroded
- Location: Bs 309
- 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/UPS99230300

## Discrepancy

INSPECTION TYPE:C, CORROSION (C53-111-03.00-01) ON BONDED DOUBLER ON VERTICAL WEB OF HORIZONTAL WALKWAY BS 309.  REMOVED DAMAGED BONDED DOUBLER, FABRICATED NEW BONDED DOUBLER AND INSTALLED IAW SRM 51-10-3, 51-10-6, 51-30-2.

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