SDR HALA2012010500004

Service difficulty report · Altimeter · Boeing 7673G5

Difficulty date: January 5, 2012
Submitted: January 5, 2012
Operation: Air carrier
Aircraft: N585HA
Make and model: Boeing 7673G5
Aircraft serial: 24257
Aircraft time: 98,375 hours, 18,646 cycles
System (JASC): 3416 · Altimeter, Barometric/Encoder
Part: Altimeter
Condition: Malfunctioned
Location: Cockpit
Stage of operation: CR
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

ETOPS SIGNIFICANT SYS - F/O ALTIMETER DIFFERS FROM CAPTAINS BY 120-150 FT DURING CRUISE. IAW DISPATCH- ACFT FLT PLAN HAS FLT LEVELS FROM 35,000 FT TO 37,000 FT AT CRUISE. REF FIM CHART CHAP 34 FAULT CODE DIAGRAM ALTIMETER TOLERANCES FIG 6 SHEET 1, ALTIMETER DIFFERENCES WITHIN LIMITS. OK FOR SERVICE.

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