# SDR CALA2026031714618

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 8, 2026
- Submitted: March 17, 2026
- Operation: Air carrier
- Aircraft: [N851UA](https://openairdocs.org/aircraft/N851UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1664
- Aircraft time: 72,554 hours, 32,704 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Window Frame
- Part number: R53112919
- Condition: Cracked
- Location: Zone 200
- 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/CALA2026031714618

## Discrepancy

FLIGHT DECK, WINDSHIELD CTR POST, LOWER NODE, INBD HOLE BOTH LT & RT SIDE HAS CRACK INDICATION AT LOWER SURFACE. LT SIDE: 40% S.H. 6 OCLOCK POS. AT .050 LONG. RT SIDE: 80% S.H. 6 OCLOCK POS. AT 100 LONG.  ACCOMPLISHED INTERIM REPAIR AT LT & RT WINDSHIELD FRAME CENTER POST LWR NODES, THE LT & RT MOST INBD FASTENER HOLE D IAW ECRA 5311 -03436 PART 1.1. ACCOMPLISH INITIAL INSP OF THE LT & RT WINDSHIEILD FRAME CENTER POST LWR NODE HOLE D IAW PART 2 OF THE LATEST REV OF ECRA 5311-03436 ON OR BEFORE 38,000 TOTAL ACFT FC. PERFORM REPEAT INSP AT INTERVALS NOT TO EXCEED 5,300 FC THEREAFTER. IAW ECRA 5311-03436-PART 1.2.

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