# SDR VJ970031

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N921VV
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft serial: 47284
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Condition: Cracked
- Location: Bs 900
- 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/VJ970031

## Discrepancy

DURING SCHEDULED INSPECTION AT AERO CORP IN LAKE CITY, FL FOUND THE AFT CARGO THRESHOLD WEB CRACKED 1 INCH DEFORMED AND HAS IMPROPER FASTENER INSTALLATION.  REMOVED CRACKED INTERCOSTAL.  FABRICATED NEW INTERCOSTAL FROM 7075-0 .050 7 INCH BY 3 INCH IAW DC-9 SRM 51-10-2.  HEAT TREATED INTERCOSTAL IAW DC-9 SRM 51-10-2 TO 7075-T-6.  TREATED AND PRIMED INTERCOSTAL IAW DC-9 SRM 51-10-3 INSTALLED INTERCOSTAL IAW DC-9 SRM 51-30-2 AND 51-30-3.  INSTALLED NEW WEB PART NR 5910158-91 IAW DC-9 SRM 51-30-2 AND 51-30-3.  (M)

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