# SDR CALA2017110603934

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2017
- Submitted: November 6, 2017
- Operation: Air carrier
- Aircraft: [N437UA](https://openairdocs.org/aircraft/N437UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 655
- Aircraft time: 70,282 hours, 26,821 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Spar
- Part number: D55181701004
- Condition: Delaminated
- Location: Horizontal Stab
- 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/CALA2017110603934

## Discrepancy

LEFT HORIZONTAL STAB REAR SPAR BOX LOWER SKIN FLANGE HAS AN AREA OF DELAMINATION.  REPAIRED SPAR BOX LOWER SKIN FLANGE IAW EC/RA 5510-02792, REV A.

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