# SDR CALA2021050600616

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 5, 2021
- Submitted: May 7, 2021
- Operation: Air carrier
- Aircraft: N421UA
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 500
- Aircraft time: 83,560 hours, 32,346 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: D5348002321300
- Condition: Corroded
- Location: Lav Vent Hole
- 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/CALA2021050600616

## Discrepancy

CORROSION FOUND AT LAV VENT HOLE DOUBLER REPAIR AT FR68-70 & STR 30RH-34RH REF LP 3570424 AND ECRA 5341-01071 USED FOR INITIAL RE PAIR. REMOVED EXISTING REPAIR, INSTALLED NEW DOUBLER RPR IAW NEW ECRA 5330-06822. DIP CREATED IAW ECRA 5330-06822 REQUIREMENTS ACCOMPLISH INSPECTI ON REQUIREMENTS IAW PART 2 OF ECRA 5330-06822 ON OR BEFORE THE ACFT REACHING 62269 TTL FLT CYC. CURRENT ACFT CYCLES 32346 REPAIR ACCOMPLISHED BY BQN TECH 5H0883 & 5H0318 AND INSPECTED BY 5H0619. NOTE: PLANNING TO CONTACT ENGINEERING AFTER 57000 TTL ACFT CYCLES BUT BEFORE 58000 TTL FLT CYCLES FOR ECRA 5330-06822 PART 2 INSPECTION REQUIREMENTS. DIP CREATED IAW ECRA 5330-06822 REQUIREMENTS ACCOMPLISH INSPECTI ON REQUIREMENTS IAW PART 2 OF ECRA 5330-06822 ON OR BEFORE THE ACFT REACHING 62269 TTL FLT CYC. CURRENT ACFT CYCLES 32346. OPBLM CHRISTIANSEN TOMC-APPROVAL FROM SC1ELBYC COMMENT QC REVIEWED RECORDS UPDATE..KJB QC REVIEWED INIT:>57000<58000 TAFC (PLN TO CONTACT ENG) T/A: 62269 TAFC..KJB U372999

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