# SDR UPS202904

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N926UP](https://openairdocs.org/aircraft/N926UP), registered now
- Make and model: Boeing 727-31C
- Registry model: [Boeing 727-31C](https://openairdocs.org/model/boeing-727-31c) (OpenAirDocs)
- Aircraft serial: 19233
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Condition: Corroded
- Location: Bs 344
- 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/UPS202904

## Discrepancy

DURING 'D' CHECK, MAINTENANCE FOUND CORROSION ON THE UPPER FLANGE OF THE CHANNEL AT STATION 344 FROM RBL 10 INCHES TO 60 INCHES AND WL 208.  MAINTENANCE FABRICATED A NEW CHANNEL IAW SRM 51-10-1, 51-10-2, 51-30-2 AND MM 57-20-151.

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