SDR DHL97802008

Service difficulty report · Inu · Doug DC873F

Difficulty date: December 3, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N802DH
Make and model: Doug DC873F
Aircraft serial: 46076
System (JASC): 3441 · Inertial Guidance System
Part: Inu
Part number: 452080051942
Condition: Failed
Location: Nr 1
Stage of operation: CL
Nature of condition: J
Precautionary procedure: A

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

What was found

NR 1 INS DRIFTED OFF 20 MILES WITHIN 1 HOUR OF DEPARTURE. UPDATED WAS INITIATED WITHIN 5 MIN. BOTH INS BEGAN FLASHING, BOTH ALERT AND WARNING LIGHTS ILLUMINATED, THEN EXTINGUISHED. MALFUNCTION CODES WERE 8010301 AND 0001. REMOVED AND REPLACED NR 1 INU, OPS CHECKED GOOD PER MM 34-41-1.

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