# SDR AALA202105043917

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2021
- Submitted: May 4, 2021
- Operation: Air carrier
- Aircraft: [N138AN](https://openairdocs.org/aircraft/N138AN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6650
- Aircraft time: 17,907 hours, 6,799 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Part number: D5348004320700
- Condition: Corroded
- Location: Frm 68 S23r
- 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/AALA202105043917

## Discrepancy

AIRCRAFT IN BASE MAINTENACE: CORRODED AREA AT LOWER SILL FR 68 AT STR 23R, MEASURING L=0.809 INCH, W=0.900 INCH, D=0.064 INCH. PERFORMED PERMANENT REPAIR LOWER SILL IN PASSENGER CABIN AFT GALLEY REF A321 SRM 53-41-14-300-001, PRINCIPLE 7.

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