# SDR UPS99230339

- 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 620
- 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/UPS99230339

## Discrepancy

INSPECTION TYPE:C, UPPER FUSELAGE EXTERIOR SKIN AT SKIN LAP STR 4 RT BS 620 IS BULGED.  REMOVED AND REPLACED UPPER FUSELAGE EXTERNAL SKIN FROM BS 520 TO BS 740 FROM STR 6 LT TO 4 RT AS PER AVITAS REPAIR ORDER 99 AVNM 048RO-1, PREVIOSLY ACCOMPLISHED WITH N/R 985901 AND 985502.

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