# SDR AALA201512079012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 24, 2015
- Submitted: December 7, 2015
- Operation: Air carrier
- Aircraft: [N540UW](https://openairdocs.org/aircraft/N540UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4107
- Aircraft time: 20,153 hours, 7,973 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Door Sill
- Part number: D531100692
- 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/AALA201512079012

## Discrepancy

AIRCRAFT IN BASE MX.  CORROSION ON R1 DOOR CUT OUT LOWER SILL WEB AT THE AFT GIRT BAR FITTING MOUNT AREA, AT FRAME 20 & STRINGER 23R.  REPAIRED IAW SRM 53-11-14-101 FIG 108.

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