# SDR DALA2021080204337

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2021
- Submitted: August 2, 2021
- Operation: Air carrier
- Aircraft: [N114DN](https://openairdocs.org/aircraft/N114DN), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 10122
- Aircraft time: 1,000 hours, 701 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Transformer
- Condition: Failed
- Location: Hyd System
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021080204337

## Discrepancy

TOP OF CLIMB ALL QUANTITY INDICATIONS FOR HYD. AMBER XX XX XX. FOUND C/B "131XP-A SPLY" OPEN, RESET SAME AND HYD QTY AND ADR3 WORKED (703504). REMOVED AND REPLACED TRANSFORMER (5XN1) S/N 32571 PER A321 AMM 24-51-51. OPERATIONAL TEST CKS GOOD. REPLACED C/B 5XN1 REF A321 AMM 24-51. OPS CHK NML AT THIS TIME. (LP# 7815989)

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