Service difficulty report · Altimeter · Boeing 747409

Difficulty date
November 6, 2015
Submitted
November 10, 2015
Operation
Air carrier
Aircraft
N249BA
Make and model
Boeing 747409
Aircraft serial
24309
Aircraft time
74,151 hours, 14,613 cycles
Part
Altimeter
Part number
LK357
Part serial
1467
Condition
Faulty
Location
Cockpit
Stage of operation
CL
How discovered
O
Nature of condition
I
Precautionary procedure
K

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

What was found

IN CLIMB, THE STANDBY ALTIMETER IS 400 FT HIGH. IAW AMM 20-51-01-912-008 REV 84 REPLACED TEE FITTING & CONDITION CHECKED NORMAL. IAW AMM 34-13-02-024-019 & 34-13-02-424-020 REV 84 REPLACED STANDBY ALTIMETER & CONDITION CHECKED NORMAL. IAW AMM 34-11-00-795-211 REV 84 PERFORMED FULL RANGE LEAK TEST & THE RESULT WAS SATISFACTORY. LOG PAGE 659634-M1 CLOSED.