# SDR TWAA9810711

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 1, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N998R](https://openairdocs.org/aircraft/N998R), registered now
- 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: 47030
- System (JASC): [5521 · Elevator, Spar/Rib](https://openairdocs.org/jasc/5521)
- Part: Rib
- Condition: Cracked
- Location: Lt Elevator
- 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/TWAA9810711

## Discrepancy

MCI - DURING OP 16 MAINTENANCE CHECK, FOUND LOWER SURFACE AT DAMPER CUT OUT LOWER RIB CAP CRACKED ON LT ELEVATOR.  REPLACED LOWER RIB CAP PER DAC DWG 9918535.  ACFT TT:  77,783 HOURS.  ACFT TC:  84,471.  (X)

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