# SDR GTIA2024031637995

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2024
- Submitted: March 16, 2024
- Operation: Air carrier
- Aircraft: [N687NK](https://openairdocs.org/aircraft/N687NK), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 8160
- Aircraft time: 19,671 hours, 8,662 cycles
- System (JASC): [5247 · Auxiliary Power Unit (APU) Doors](https://openairdocs.org/jasc/5247)
- Part: Access Door
- Part number: D5248545020200
- Condition: Corroded
- Location: Apu Compartment
- 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/GTIA2024031637995

## Discrepancy

CORROSION ON LOWER FDW CORNER OF APU ACCESS DOOR 316AR RAF-01 3363641-01 GENERATED-PERFORMED PERMANET REPAIR ON LOWER CORNER ACCESS DOOR 316AR FWD AREA APU COMPARTMENT IAW A321 SRM 52-41-22-300-003. THIS REPAIR IS CATEGORY A

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