# SDR HALA2021120600180

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 5, 2021
- Submitted: December 6, 2021
- Operation: Air carrier
- Aircraft: [N202HA](https://openairdocs.org/aircraft/N202HA), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 07917
- Aircraft time: 10,881 hours, 2,342 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Oil Filter
- Condition: Abnormal
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2021120600180

## Discrepancy

ETOPS - APU AUTO SHUT DOWN // REMOVED AND INSTALLED NEW OIL FILTERS APU IAW AMM 49-91-41-200-002-A. INSPECTED METAL CHIP DETECTOR IAW AMM 49-91-42-200-004-A. APU START NORMAL. NO DEBRIS FOR FILTERS OR CHIP DETECTOR FOUND. A/C OK TO CONT.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.