SDR MEX2003469

Service difficulty report · Pitot Line · Doug MD83

Difficulty date: October 6, 2003
Submitted: November 19, 2003
Operation: Air carrier
Aircraft: N946AS
Make and model: Doug MD83
Aircraft serial: 49658
Engine: Pwa JT8D*
System (JASC): 3411 · Pitot/Static System
Part: Pitot Line
Condition: Obstructed
Location: Pitot Static Sys
Stage of operation: TO
How discovered: O
Nature of condition: C
Precautionary procedure: C

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

What was found

AIRCRAFT SUSPENDED TAKEOFF AT 120 KTS, BECAUSE OF 40 KT DIFFERENCE BETWEEN IAS/MACH SPEED INDICATORS. LT INDICATED 80 KTS AND RT INDICATED 120 KTS. CADCS WERE TESTED FOUND ALL CORRECT. DURING PITOT TUBES REVISION WAS DETECTED A BEE IN THE CAPTAIN PITOT TUBE. LINES WERE BLOWING WITH AIR AND OPERATIONAL TEST WERE PERFORMED IAW MM34-11-00. ADDITIONALLY, HIGH ENERGY STOP CONDITIONS INSPECTION WAS PERFORMED IAW MM 05-57-00, ALL CORRECT.(K)

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