SDR HALA2009041000139

Service difficulty report · Indicator · Boeing 76733A

Difficulty date: April 10, 2009
Submitted: April 13, 2009
Operation: Air carrier
Aircraft: N587HA
Make and model: Boeing 76733A
Aircraft serial: 33421
Aircraft time: 25,007 hours, 4,786 cycles
System (JASC): 3416 · Altimeter, Barometric/Encoder
Part: Indicator
Condition: Inaccurate
Location: Altitude
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 SYSTEM, ALT DISAGREEMENT, EICAS MESSAGE COPILOT'S ALT +200' AT FL390, -63 DEGREE. ATC COMMENTED THAT WE WERE +200. SWITCHED TO ATC 1 ON TRANSPONDER RESOLVED PROBLEM. T/S PER FIM 34-16-00 FIG 103 AND FIM 34-12-00 FIG 104. NO FAULTS FOUND, NO MESSAGES DISPLAYED, OPS CKS NML.

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