# SDR CALA2021080401255

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 3, 2021
- Submitted: August 4, 2021
- Operation: Air carrier
- Aircraft: [N440UA](https://openairdocs.org/aircraft/N440UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 702
- Aircraft time: 75,067 hours, 30,601 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Door Sill
- Part number: D5348004320400
- Condition: Corroded
- Location: Fr66
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2021080401255

## Discrepancy

(A3NB-53-3-6186) CORROSION ON AFTL/H DOOR SILL AT FR66 ON UPPER FLANGE () REPAIRE AFT LH DOOR SILL IAW SRM 53-41-14-300-1. REMOVED CORROSI ON IAW SRM 51-74-00 CHECK LIMITS L=0.5"W=0.73" D=0.63" FOUND TO BE OUT OF LIMITS IAW SRM 53-41-14-283-002 FOG 002.

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