# SDR CALA2019011400098

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2019
- Submitted: January 14, 2019
- Operation: Air carrier
- Aircraft: [N426UA](https://openairdocs.org/aircraft/N426UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 510
- Aircraft time: 79,155 hours, 30,700 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Threshold
- Condition: Corroded
- Location: Fuselage
- 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/CALA2019011400098

## Discrepancy

(A3NB-53-4-6179  A43-033) AFT CARGO BETWEEN FR52-56, DOOR THRESH OLD PLATE UPPER SURFACE ATTACHED TO TORSION BOX HAS MULTIPLE ARE AS OF CORROSION  (M) NONROUTINE 9020987 REMOVED CORROSION, BLENDED AND SMOOTHED IAW SRM 51-75-00-00 1. UT THICKNESS OF BLEND AREAS ACCOMPLISHED IAW A320NTM 51-10-04 HFEC OF BLEND AREAS ACCOMPLISHED IAW NTM 51-10-09 AND 51-1 0-02 NO DEFECTS NOTED. ROTO PROBE OF FASTENER HOLES ACCOMPLISHED IAW NTM 51-10-01, NO DEFECTS NOTED. VERIFIED LIMITS MPLETED IAW ECRA 5341-01148 W AVO DLG-281218-4626-2501984-09 PG 2 STEPS 1,2,3,4A,4B AND 5 CO 0 SRM 53-41-49-283-003. PERFORMED FLAP PEEN REPAIR OF AREA 3 IA ND TO BE WITHIN LIMITS. AREA 3 FOUND TO BE OUT OF LIMITS IAW OF BLEND AREAS IAW SRM  53-41-49-283-003, AREAS 1 AND 2 FOU

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