# SDR TWAA0015505

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 2000
- Submitted: October 6, 2000
- Operation: Air carrier
- Aircraft: N996Z
- 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: 47028
- Aircraft time: 82,983 hours, 88,791 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Rib
- Condition: Cracked
- Location: Wing
- 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/TWAA0015505

## Discrepancy

DURING OP 15 MAINT CHECK AT WS 111.5 RIB BOTH I/B AND O/B FORMER FOOT BETWEEN REAR SPAR AND STA 11, WERE CRACKED THRU LOWER CENTER VERTICAL FASTENERS, CONFIRMED BY NDT.  INSTALLED CLIP ON EACH PER DRAWING 9911606 AND SPM 6-70-1 PARA 4, PAGE 2 AND 3.  INSTALLED FASTENERS PER 51-30-00.

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