# SDR TWAA9810106

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N977Z
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47249
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Condition: Cracked
- Location: Ws 414
- 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/TWAA9810106

## Discrepancy

MCI - DURING OP 16 MAINTENANCE CHECK, FOUND ON RT WING XRS 414.1 RIB, THE INBD AFT LOWER FOOT FORWARD END CRACKED APROXIMATELY 3 INCHES.  REPLACED FITTING PER SRM 51-01, PG 1 ITEM C.  TOTAL TIME: 70,084 HOURS.  TOTAL CYCLES:  84,015.  (X)

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