# SDR CALA2026070717575

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2026
- Submitted: July 7, 2026
- Operation: Air carrier
- Aircraft: [N839UA](https://openairdocs.org/aircraft/N839UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1507
- Aircraft time: 73,437 hours, 33,068 cycles
- System (JASC): [5411 · Nacelle/Pylon, Frame/Spar/Rib](https://openairdocs.org/jasc/5411)
- Part: Frame
- Part number: D5463046200001
- Condition: Cracked
- Location: Zone 400
- 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/CALA2026070717575

## Discrepancy

LEFT PYLON LE, LT RIB 8, FWD UPPER FRAME CRACKED. REMOVED & REPLACED FWD UPPER FRAME LT PYLON, L/E LT RIB 8 FWD UP PER IAW SRM 51-42-11/001, SRM 54-52-12-03-A, SRM 51-44-11/00 1.

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