SDR HALA2010121600593

Service difficulty report · Altimeter · Boeing 7673CB

Difficulty date: December 16, 2010
Submitted: December 17, 2010
Operation: Air carrier
Aircraft: N588HA
Make and model: Boeing 7673CB
Aircraft serial: 33466
Aircraft time: 31,518 hours, 5,903 cycles
Engine: Pwa PW4060
System (JASC): 3416 · Altimeter, Barometric/Encoder
Part: Altimeter
Condition: Malfunctioned
Location: 1st Officer
Stage of operation: CL
How discovered: O
Nature of condition: J
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 OFF FLAG IN VIEW AFTER TOP OF CLIMB, SELECTING F/O AIR DATA SWITCH TO ALTN CORRECTED FAULT. INTERMITTENT FAULT. ACCOMPLISHED OPS TEST OF THE RT AIR DATA SYS IAW AMM 34-12-00, NO DEFECT FOUND OPS CHECK OK. ACCOMPLISHED MCDP TEST 40 IAW AMM 22-00-02, ALL TEST 40 PASS. LMP REMAINS IN LAND 3.

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