# SDR CALA2025093009439

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 26, 2025
- Submitted: October 1, 2025
- Operation: Air carrier
- Aircraft: [N474UA](https://openairdocs.org/aircraft/N474UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1475
- Aircraft time: 68,689 hours, 29,859 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: D531124240000
- Condition: Cracked
- Location: Zone 200
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025093009439

## Discrepancy

LEFT FRAME 16 DOUBLE JOGGLE AREA HOLE 18 HAS CRACK INDICATION IN FRAME LAYER AT 5 O`CLOCK, DIRECTION 50%.  REMOVED FASTENERS COMMON TO #18 (LEADER), #19 (ASSOCIATED). REF SRM 51-42-11/001. HOLE #18, #19 DIA. = NOMINAL.  REAMED HOLE 18 TO MAX DIA. OF .34220? IN FRAME LAYER ONLY IAW SRM 53-11-12-300-012.  PERFORMED ROTO PROBE INSP. OF HOLE 18 NO CRACK INDICATION OR DAMAGE NOTED. REF. NTM 51-10-01. REAMED HOLE #18 TO .3421IN ALL LAYERS REF. SRM 53-11-12-300-012. INSTALLED FASTENERS AT HOLES #18, #19 REF. SRM 51-42-11/001. RESTORED TOPCOAT TO AREA REF. SRM 51-75-12-900.

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