SDR P2EA01122

Service difficulty report · Indicator · Boeing 7372T5

Difficulty date
July 7, 2001
Submitted
August 2, 2001
Operation
Air carrier
Aircraft
N120NJ
Make and model
Boeing 7372T5
Aircraft serial
22979
Part
Indicator
Part number
16804UA2
Condition
Inoperative
Stage of operation
CR
Nature of condition
O
Precautionary procedure
J, O

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

What was found

MCI - FLT 350 - DURING CRUISE AT 33,000 FEET CABIN RATE OF CHANGE WAS PLUS 250 FEET PER MINUTE AND CABIN PRESSURE WAS AT 9,500 FEET AND SHOULD BE AT 800 FEET FOR NORMAL. STANDBY WAS SELECTED WITH NO IMPROVEMENT. DURING DESCENT WITH THROTTLES AT IDLE, CABIN RATE OF CHANGE INCREASED TO PLUS 1000 FEET PER MINUTE. WAS ONLY ABLE TO DESCENT SLOWLY WITH DRAG DEVICES AND POWER UP AT 1.6 TO 1.4 EPR TO GET CABIN TO DECREASE GRADUALLY. FOUND RATE OF CLIMB INDICATOR NEEDLE STICKING. REMOVED AND REPLACED RATE OF CLIMB INDICATOR. OPS CHECKS GOOD PER BOEING MM 21-31-0. (M)

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