# SDR CALA2021072601181

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 24, 2021
- Submitted: July 26, 2021
- Operation: Air carrier
- Aircraft: N409UA
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 462
- Aircraft time: 84,624 hours, 32,432 cycles
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Part number: D5755000320539
- Condition: Cracked
- Location: Rt Wing
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2021072601181

## Discrepancy

A3NB-57-4-6049 RIGHT WING O/B TRAILING EDGE CAVITY AT APPROX. WI NG RIB 26, T/E RIBLET CRACKED AT AFT UPPER FASTENER HOLE. REF BY PEMCO NR.11035.0240. REMOVED AND REPLACED WING RIB 26 ON R/H WING O/B TRAILING EDGE C AVITY AT APPROX WING RIB 26 IAW A320 SRM 51-72-11-911-001.

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