# SDR AALA202104289007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2021
- Submitted: May 11, 2021
- Operation: Air carrier
- Aircraft: [N814AA](https://openairdocs.org/aircraft/N814AA), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 40632
- Aircraft time: 19,695 hours, 2,545 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Part number: 7010121H03
- Part serial: 4512
- Condition: Faulted
- Location: Right
- Part time: 12,912 hours, 1,567 cycles
- Stage of operation: CR
- 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/AALA202104289007

## Discrepancy

AIRCRAFT WAS GROUNDED: RH PACK LIGHT ILLUMINATED ENROUTE, ONE RESET ATTEMPT AT FL340 WAS UNSUCCESSFUL; FLIGHT RETURNED TO FIELD AND LANDED WITHOUT FURTHER INCIDENT.  REPLACED RH AIR CYCLE MACHINE WITH SERVICEABLE UNIT IAW AMM 21-52-02, OPS CHECK GOOD.

---
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.