# SDR CALA2025073107127

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2025
- Submitted: July 31, 2025
- Operation: Air carrier
- Aircraft: [N458UA](https://openairdocs.org/aircraft/N458UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1163
- Aircraft time: 75,262 hours, 32,475 cycles
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Part number: D5725258000500
- Condition: Cracked
- Location: Zone 600
- 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/CALA2025073107127

## Discrepancy

RIGHT MAIN LANDING GEAR SUPPORT RIB 5 FORWARD LUG INSPECTION FOUND CRACK ON RT MLG SUPPORT RIB 5 FORWARD LUG.  AFT SIDE REF AVO14715, ACP STEPS 1,2 AND 3. CRACKED AS INDICATED. NO DAMAGE FOUND WITH 10X ON SURROUNDING AREAS AT RADII AND SURFACES. C/W FPI IAW NTM 51-80-00, HFEC IAW NTM 51-10-08-250-802-A-01 AND AVO14715 STEP 4. CONFIRMED CRACK. ACCOMPLISH STEPS 6 & 7 OF AVO 14715 REV A CLEANED SEALANT AROUND RT MLG SUPPORT IAW AVO 14715 REVISION A STEP 6. DVI RT RIB 5 BUSHING FLANGE FWD AND AFT SIDE VISIBLE WITH 10X MIRROR, NO CRACKS OR CORROSION FOUND, RT DVI C/W IAW AVO14715 REV. A STEP 6 I) II. STEP 7 EA 5720-02 408 OP 1.   NO DEFECTS FOUND.  DETAILED INSPECTION AS PER NTM 51-90-00 TO CONFIRM NO OTHER CRACKS EXIST.  REF ECRA 5720-03532 STEP 8, NO BUSHING MIGRATION NOTED ON FWD OR AFT BUSHINGS AS CHKED WITH FEELER GAUGE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.