# SDR CALA2026011613001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 2026
- Submitted: January 16, 2026
- Operation: Air carrier
- Aircraft: [N853UA](https://openairdocs.org/aircraft/N853UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1688
- Aircraft time: 71,958 hours, 32,465 cycles
- System (JASC): [5522 · Elevator, Plate/Skin](https://openairdocs.org/jasc/5522)
- Part: Skin
- Part number: D5528000301200
- Condition: Contaminated
- Location: Zone 300 Elev
- Stage of operation: IN
- How discovered: V
- Nature of condition: C
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026011613001

## Discrepancy

LEFT ELEVATOR UPPER SKIN HAS LIQUID INGRESS INDICATION 30 INCHES FROM INBD AND 16.5 INCHES FROM TRAILING EDGE.  DRILLED WITNESS HOLES IN LT ELEVATOR UPPER SKIN 30IN FROM I/B 16 .5IN FROM T/E ZONE A, FOUND NO LIQUID,  REPAIRED AREA IAW SRM 55-21-11-300-004 CATEGORY AA.

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