SDR DALA2017062004841

Service difficulty report · Adiru · Boeing 767432ER

Difficulty date: June 18, 2017
Submitted: June 20, 2017
Operation: Air carrier
Aircraft: N838MH
Make and model: Boeing 767432ER
Aircraft serial: 29711
Aircraft time: 68,653 hours, 12,653 cycles
System (JASC): 3416 · Altimeter, Barometric/Encoder
Part: Adiru
Condition: Malfunctioned
Location: Right
Stage of operation: IN
How discovered: 9
Nature of condition: O
Precautionary procedure: K

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

What was found

AFTER BEING AT FLT LEVEL 340 FOR APPROX. 30 MINUTES, AN EICAS MESSAGE FOR ALTITUDE DISAGREE. CAPTAIN`S ALTIMETER SAID FL 340, SB 34100, FO 34220. AT FLT LEVEL 280, CAPTAIN`S 28000, SB 28100, FO 28280. ALTITUDE SEEMED TO JUMP AROUND AT TIMES EVEN THOUGH IT WAS SMOOTH. R & R THE RT ADIRU. OPS NORMAL OPS CHEKED OK.