# SDR UPS203595

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N950UP](https://openairdocs.org/aircraft/N950UP), registered now
- Make and model: Boeing 727-25C
- Registry model: [Boeing 727-25C](https://openairdocs.org/model/boeing-727-25c) (OpenAirDocs)
- Aircraft serial: 19718
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Shear Web
- Condition: Corroded
- Location: Bs 1173
- 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/UPS203595

## Discrepancy

WHILE IN FOR C-CHECK MAINTENANCE, FOUND CORROSION ON SHEAR WEB AND HAT CHANNEL AT BS 1173, LBL 23 TO 28 WL 208.  REPLACED HAT CHANNEL AND WEB IAW SRM 57-10-2, 51-30-2, 51-30-8, 51-40-2, 53-10-1.

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