SDR P5CA2018061500091

Service difficulty report · Warning Message · Boeing 74787UF

Difficulty date: June 10, 2018
Submitted: June 15, 2018
Operation: Air carrier
Aircraft: N858GT
Make and model: Boeing 74787UF
Aircraft serial: 37569
Aircraft time: 28,114 hours, 4,622 cycles
System (JASC): 2130 · Cabin Pressure Control System
Part: Warning Message
Condition: False Activation
Location: Cabin Pressure
Stage of operation: CR
How discovered: O
Nature of condition: N
Precautionary procedure: A

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

What was found

CABIN ALTITUDE EICAS DURING CRUISE, NO EICAS MESSAGE FOUND. STS MESSAGE, & CMC MESSAGE AFT ARR SPOT. BOTH OUTFLOW VALVE TESTED OKAY. ALL DOOR & OUTLETS OK, BOTH CPCS GND TEST PASSED AIW AMM 21-31-00/501. DOOR & SEAL INSPECTED OF ALL REVR AND OUTFLOW IAW AMM 52-11-00, 52-34-00, 52-36-00, AND 52-48-01.

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