# SDR YENA2023032200272

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2023
- Submitted: March 22, 2023
- Operation: Air carrier
- Aircraft: [N937JB](https://openairdocs.org/aircraft/N937JB), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 06245
- Aircraft time: 34,978 hours, 6,782 cycles
- System (JASC): [2100 · Air Conditioning System](https://openairdocs.org/jasc/2100)
- Part: Acm
- Part number: 1263A000003
- Part serial: 10945
- Condition: Failed
- Location: 11hm1
- Part time: 34,978 hours, 6,783 cycles
- Stage of operation: CL
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2023032200272

## Discrepancy

FLT#278, SFO-FLL. (AIRCRAFT DIVERTED TO RSW AND DECLARED AN EMERGENCY) 'AIR L WING LEAK FOLLOWED BY PACK 1 AND BLEED 1 TURNING OFF; CHECKED L/H AND R/H WING LOOPS A AND B LOOPS. OP CHECKS GOOD TO GND, AND CONTINUITY CHECKS GOOD. REF TSM 36-22-00. REF LOGPAGE 3569489 FOR ACM CHANGE ITREM 2 (REF LP 3569489 ITEM 1 FOR LOOP WIRING CHECK. PERFORMED VISUAL INSPECTION OF L/H AND R/H PACK BAYS AND FOUND ACM OUTLET CRACKED AND DUCT DAMAGED. REMOVED AND REPLACED ACM IN #2 PACK BNAY AND DAMAGEWD DUCT. REF A321 AMM 21-52-21, AND 21-52-23. NO FURTHER LEAKSA NOTED PERFORMED DUAL ENGINE RUN AND NO FURTHER FAULTS FOUND).'

---
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.
