# SDR UPS99230335

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N919UP](https://openairdocs.org/aircraft/N919UP), registered now
- Make and model: Boeing 727-30C
- Registry model: [Boeing 727-30C](https://openairdocs.org/model/boeing-727-30c) (OpenAirDocs)
- Aircraft serial: 19012
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corroded
- Location: Bs 477
- 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/UPS99230335

## Discrepancy

INSPECTION TYPE:C, UPPER FUSELAGE EXTERIOR REPAIR DOUBLER IS BULGED AT STR 5 RT BS 477.  REMOVED AND REPLACED UPPER FUSELAGE EXTERIOR SKIN FROM BS 440 TO BS 520 FROM STR 10 LT TO 4 RT AND INSTALLED SKIN REPAIR FROM BS 440 TO BS 540 FROM STR 4 RT TO 5 RT AS PER AVITAS 99 AVM 048 RO-1 PREVIOUSLY ACCOMPLISHED WITH NR'S 985901 AND 985502.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.