Service difficulty report · Warning System · Airbus A300B4622R

Difficulty date
August 8, 2014
Submitted
August 20, 2014
Operation
Air carrier
Aircraft
N724FD
Make and model
Airbus A300B4622R
Aircraft serial
530
Aircraft time
33,658 hours, 16,554 cycles
Part
Warning System
Condition
Activated
Location
Cockpit
Stage of operation
UK
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

AFTER NR 1 AUTO PRESS DISPLAYED A DELTA P PRESS OF 8.6, SWITCH TO AUTO PRESS NR 2 TO REMEDY. NR 2 AUTO PRESS LOWERED DELTA P PRESS TO 8.5 BUT REMAINED FLASHING. CRUISE ALT WAS FL 380. CABIN ALT DISPLAYED 7300. PERFORMED PRESSURIZATION PER MM 05-53-00-00. LEAKDOWN FROM 8 PSID WAS 0.5 LBS IN 110 SEC (MM LIMIT IS 1 PSI) - CHECKS GOOD. PER TSI INSTRUCTIONS PERFORMED TEST PER MM 21-51-32-06 - CHECKS GOOD. PERFORMED CABIN PRESS. CONTROL AND MONITORING TESTS PER TSM 21-30-00. ALL TESTS GOOD.

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