# SDR UPS97225120

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 24, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N921UP](https://openairdocs.org/aircraft/N921UP), registered now
- Make and model: Boeing 727180C
- Aircraft serial: 19874
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Hat Section
- Condition: Corroded
- Location: Bs 304-344
- 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/UPS97225120

## Discrepancy

INSPECTION TYPE-D, CORROSION ON UPPER SURFACE OF TOILET THRESHOLD SUPPORT BS 304 TO 344  RBL 12 - RBL 17 (TOP HAT SECTION).  NEW SECTION OF TOILET THRESHOLD SUPPORT FABRICATED FROM EXTRUSION BAC 1510-335 AND FITTED IAW SRM 51-30-2.

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