SDR I5EA2019101090003

Service difficulty report · Selector Panel · Boeing 7374B7

Difficulty date: September 21, 2019
Submitted: October 10, 2019
Operation: Air carrier
Aircraft: N802TJ
Make and model: Boeing 7374B7
Aircraft serial: 24874
Aircraft time: 52,252 hours, 35,246 cycles
System (JASC): 2130 · Cabin Pressure Control System
Part: Selector Panel
Part number: 7110025
Part serial: 90030901
Condition: Defective
Location: Cabin Pressure
Stage of operation: CL
How discovered: O
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

NO PRESSURIZATION DURING CLIMB OUT. SUPPLEMENTAL INFORMATION, PERFORMED OPERATIONAL TEST ON PRESSURIZATION SYSTEM, TEST FAILED. REPLACED SELECTOR PANEL, PERFORMED AGAIN OPERATIONAL TEST ON PRESSURIZATION SYSTEM, TEST OK. ALL MAINTENANCE ACTION IAW AMM 21-31-00.

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