# SDR ZW0A0200201

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2001
- Submitted: January 3, 2002
- Operation: Air carrier
- Aircraft: [N948TW](https://openairdocs.org/aircraft/N948TW), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 49575
- Aircraft time: 37,926 hours, 21,312 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corroded
- Location: Fuselage
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ZW0A0200201

## Discrepancy

DURING CHECK-C MAINT THE FUSELAGE EXTERIOR HAD A BULGE IN THE SKIN AT LONGERON 17L, STA 1293.  ACCOMPLISHED EDDY CURRENT INSPECTION PER NDT 51-00-03 AND NO CRACK.  ULTRA SOUND INSPECTION INDICATES NO MATERIAL LOOSE DUE TO CORROSION.  SHIM BETWEEN SKIN AND STRINGER TO REMOVE BULGING IN, PER SRM 51-10-9.  INSTALLED HI-LOKS PER SRM 51-60-0, PAGE 36.

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