SDR 2004FA0000608

Service difficulty report · Line · Gulstm GV

Difficulty date: June 25, 2004
Submitted: July 1, 2004
Operation: General aviation
Aircraft: N300K
Make and model: Gulstm GV
Aircraft serial: 587
Aircraft time: 2,488 hours, 1,139 cycles
Engine: Rroyce BR700710A110
System (JASC): 1410 · Hoses and Tubes
Part: Line
Condition: Loose
Location: Sense Line
Stage of operation: CR
How discovered: V
Nature of condition: J
Precautionary procedure: B

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AT FL 410 RECEIVED A CABIN PRESSURE LOW (RED) MESSAGE ON YTHE CAS. AIRCRAFT INITIATED EDM APPROX. FL 380 CAS MESSAGE EXTINGUISHED LEVELED OFF AT FL 200. UNDECLARED AN EMERGENCY. APPROX. 10 MIN LATER RECEIVED ANOTHER CABIN PRESSURE LOW MESSAGE, DECLARED AN EMERGENCY DIVERTED, LANDED WITHOUT INCIDENT. INSPECTED AIRCRAFT IAW MFG M/M. FOUND PRESSURE REFERENCE SENSE LINE (B) NUT AND FITTING LOOSE. REMOVED AND REPLACED CPCS IAW M/M 21-31-01.