# SDR J7SA2024031800385

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2024
- Submitted: March 18, 2024
- Operation: Air carrier
- Aircraft: [N460FX](https://openairdocs.org/aircraft/N460FX), registered now
- Make and model: Gulstm GIVXG450
- Aircraft serial: 4117
- Aircraft time: 2,894 hours, 1,067 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Duct
- Part number: UNKNOWN
- Condition: Detached
- Location: Inlet Valve
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/J7SA2024031800385

## Discrepancy

AIR TURN BACK DUE TO AFT EQUIPMENT HOT WARNING SHORTLY AFTER TAKE-OFF ON INITIAL CLIMB OUT. NO ABNORMAL INDICATIONS ON ECS SYNOPTIC OR WITH ENGINES. CREW DECLARED EMERGENCY, AND AFTER LEVELING OFF ON INITIAL TURN TO LAND, THE LEFT FIRE BOTTLE DISCHARGED DUE TO EXCESSIVE TEMPERATURES. AIRCRAFT LANDED AT TPA WITHOUT FURTHER INCIDENT. FOUND DUCT SEPARATED FROM LEFT PACK INLET VALVE. INSTALLED 2 NEW COUPLING NUTS ON PACK INLET VALVE AND PROPERLY ATTACHED AND SECURED DUCT. WORK COMPLETED IAW G450 AMM 21-21-00. OPS AND LEAK CHECKS GOOD, NO FURTHER DEFECTS NOTED.

---
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.