Service difficulty report · Sensor · Boeing 7378H4

Difficulty date
July 23, 2024
Submitted
July 24, 2024
Operation
Air carrier
Aircraft
N8657B
Make and model
Boeing 7378H4
Aircraft serial
42535
Aircraft time
32,305 hours, 15,648 cycles
Part
Sensor
Condition
Faulted
Location
Zone 800
Stage of operation
CL
How discovered
O
Nature of condition
P
Precautionary procedure
A

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

What was found

AIRCRAFT FAILED TO PRESSURIZE AFTER TAKE OFF. FWD SERVICE DOOR SHOWS DAY LIGHT. MAX ALT 12000FT CABIN ALT FOLLOWED FLIGHT ALT. . DOOR WARN NEVER DISPLAYED.<[01] ADJUSTED FWD SERVICE DOOR GUIDE ARM PER AMM 52-41-00. R&R'D SENSOR ASSY FOR S194 PER AMM 52-71-11. OPS CK GOOD

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