# SDR CALA2026082718958

- 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: D531124240000
- 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/CALA2026082718958

## Discrepancy

LEFT FR16 HOLE NO.2,NO.4,NO.6 HAVE A CRACK IN FRAME LAYER AT 11 O'CLOCK POSITION AND HOLE NR 19 HAS AN OUT OF ROUN D CONDITION IN FRAME LAYER.   FR 16 HOLE 19 ACCOMPLISHED ON LP 9642983, FR 16 HOLE 2 ACCOMPLISHED ON LP 9643006, AND FR 16 HOLE 4 ACCOMPLISHED ON LP 9643045. THIS LOG PAGE WILL CAPTURE THE REPAIR & DIP FOR FR 16 HOLE 6.  REPAIRED LT FRAME 16 HOLE 6 IAW A319 SRM 53-11-12-300-012. CRACK FOUND DURING ISBS ACCOMPLISHMENT REF FIG 1 SHT 1 STEP 2. HOLE 6 DAMAGE FOUND IN FRAME LAYER (CONCERNED LAYER) REF FIG 1 SHT 1 S TEPS 3-4. HOLE 6 FOUND AT NOMINAL DIAMETER .3110 REF FIG 1 SHT 1 STEP 5. CRACK FOUND ON HOLE 6 REF FIG 1 SHT 1 STEP 7. FIRST OVE RSIZED HOLE TO DIAMETER OF .3270, ROTO PROBE PERFORMED, DAMAGE S TILL REMAINS, SECOND OVERSIZED HOLE TO A DIAMETER OF .3420. ROTO PROBE PERFORMED, DAMAGE STILL REMAINS, BUSHING REPAIR REQUI RED REF FIG1 SHT1 STEP 9 & FIG1 SHT 2 STEPS 12-16, 19 & 20. REF FIG 5 FOR BUSH REPRINT.

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