# SDR ASMF201106001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 1, 2011
- Submitted: June 6, 2011
- Operation: Air carrier
- Aircraft: [N745AM](https://openairdocs.org/aircraft/N745AM), registered now
- Make and model: Boeing 777-2Q8
- Registry model: [Boeing 777-2Q8](https://openairdocs.org/model/boeing-777-2q8) (OpenAirDocs)
- Aircraft serial: 32718
- Aircraft time: 24,125 hours, 2,701 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Sensor
- Part number: 8102304
- Part serial: 110591
- Condition: Damaged
- Location: Left
- Part time: 24,125 hours, 2,701 cycles
- 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/ASMF201106001

## Discrepancy

AIRCRAFT RETURNED DURING CLIMB, THE EICAS MESSAGE LT PACK WAS SHOWN AND IT WAS NOT AIR ON LT DUCT. DURING MX REVISION, THE MESSAGES 21-23041 WAS SHOWN, THE FIM 21-51 TASK 803 PROCEDURE WAS PERFORMED; SO THE LT PACK SENSOR WAS REPLACED IAW MM 21-51-03, TESTED CORRECT. MX PERSONNEL PERFORMED OVERWEIGHT LANDING INSPECTION PHASE 1 IAW MM 05-51-35, NO DAMAGES WERE 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.