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SDR ASAA2015020310530

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Service difficulty report · Control Panel · Boeing 737990ER

FAA SDR system

Difficulty date
February 3, 2015
Submitted
February 5, 2015
Operation
Air carrier
Aircraft
N469AS
Make and model
Boeing 737990ER
Aircraft serial
41702
Aircraft time
1,740 hours, 567 cycles
System (JASC)
2130 · Cabin Pressure Control System
Part
Control Panel
Part number
10194391001
Part serial
2014070013
Condition
Malfunctioned
Location
Flight Deck
Part time
1,725 hours, 563 cycles
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

PRESSURE PANEL ALTITUDE NUMBERS STROBE WHEN IN DIM. ACFT GROUNDED. VERIFIED CABIN PRESSURE CONTROL MODULE FLICKERS IN LIGHTS TEST, BRIGHT, DIM MODE. R & R SAME, REF MM 21-31-02-400-801, REF MM 21-31-00-700-802, 21-31-00-710-81. OPS NORMAL.