# SDR CALA2026082718952

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2026
- Submitted: August 27, 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: 73,444 hours, 33,072 cycles
- Engine: Iae V2522A5
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: DS31124240000
- Condition: Cracked
- Location: Zone 100
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026082718952

## Discrepancy

LEFT FRAME 16 HOLE NR 19, REPAIRED ON NR 30576/9290576.  LH FRAME 16 HOLE NR 19, REPAIRED IAW 53-11-12-300-012. CRACK WAS FOUND DURING THE ISBS REF FIG 1 SHT 1 STEP 2. CRACK FOUND IN FRAME LAYER PER FIG 002 REF FIG 1 SHT 1 STEP 3. CRACK WAS FOUND WITHIN CONCERNED LAYER PER FIG 003 IAW FIG 1 SHT 1 STEP 4. HOLE 19

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