# SDR YENA2019021250060

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 25, 2019
- Submitted: February 12, 2019
- Operation: Air carrier
- Aircraft: [N959JB](https://openairdocs.org/aircraft/N959JB), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6903
- Aircraft time: 12,432 hours, 4,122 cycles
- System (JASC): [5247 · Auxiliary Power Unit (APU) Doors](https://openairdocs.org/jasc/5247)
- Part: Door
- Condition: Corroded
- Location: Apu Door
- 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/YENA2019021250060

## Discrepancy

DURING HEAVY MAINTENANCE, CORROSION WAS FOUND AROUND THE DRAIN MAST AREA AT THE RH APU ACCESS DOOR BTWN FR 80A-81A & STGR 20.  CONTACTED MANUFACTURERFOR REPAIR DISPOSITION AND THEY PROVIDED REF /2 RDAS APPROVAL TO ACCOMPLISH PERMANENT REPAIR PER REF /3/ TD. THE REPAIR IS CONSISTS OF CUT OUT THE DAMAGE AREA, FABRICATE AND INSTALL A REPAIR DOUBLER AND RESTORE SURFACE PROTECTION PER SRM. THIS EC A19-065-01 ACCOMPLISHES PERMANENT REPAIR PER THE REF /1/ EO & REF /2/ RDAS WITHOUT DEVIATIONS; THIS PERMANENT REPAIR IS APPROVED VIA REF /2/ RDAS AND THIS REPAIR IS CLASSIFIED AS “MAJOR”.

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