# SDR CALA2024012200161

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2023
- Submitted: January 22, 2024
- Operation: Air carrier
- Aircraft: [N453UA](https://openairdocs.org/aircraft/N453UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1001
- Aircraft time: 76,493 hours, 32,076 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Stringer
- Part number: D5347042020600
- Condition: Corroded
- Location: Frm 53 S40l
- 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/CALA2024012200161

## Discrepancy

(A3NB-53-4-6179) 86-108 AFT PIT FRAME 53 AFT APPROX 10" CORROSIO N ON STR 40LH.() REMOVED CORROSION L=5.220", W=.850 D=.031" FOUND OUT OF LIMITS I TION IAW SRM 51-75-12/001. W/C:78552 EMP:V940362 STA:STENGBFM AW SRM 53-41-13-283-002, PERFORMED REPAIR CAT.A CUT DAMAGE AREA AND REPLACE SECTION,STRINGER P/N DAN50B09 AND INSTALLED COUPLING P/N A534-86217 IAW SRM 53-00-13-300-01. RESTORE SURFACE PROTEC

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