Service difficulty report · Control Unit · Boeing 737217

Difficulty date
February 26, 2003
Submitted
April 1, 2005
Operation
General aviation
Make and model
Boeing 737217
Aircraft time
68,766 hours, 35,871 cycles
Engine
Pwa JT8D17
Part
Control Unit
Condition
Misoverhauled
Location
Rudder
Stage of operation
IN
How discovered
O
Nature of condition
W
Precautionary procedure
K

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

What was found

(CAN) UNSCHEDULED REMOVAL OF RUDDER PCU, OCCURRED ON FEB 25/26/2003 WAS IN RESPONSE TO A REQUEST FROM MATERIAL SERVICES BASED ON A FAA UNAPPROVED PARTS NOTIFICATION NR 2001-0089 DATED AUG 12,2002. SUSPECT PCU P/N 1U1150-3 S/N 737 WAS LISTED IN THE NOTIFICATION. REMOVAL OF RUDDER PCU P/N 1U1150-3 S/N 0737 DOES CROSS REFERENCE TO FTN ZKMZP8 AND DOES INDICATE THAT IT WAS INSTALLED, BUT HISTORY INDICATES UNIT WAS REPAIRED ON MARCH 13,2000. FTN HISTORY INDICATES THAT UNIT WAS INSTALLED ON AC ON MARCH 21, 2000 UNTIL PRESENT DATE. FAA NOTICE INDICATES THAT SUSPECT UNITS WERE IMPROPERLY O/H JANUARY 3-8 2001. SHOP REPORT ESTABLISHED THAT PART HAD MFG CODES. PRESUMING THAT PART LISTED ON FAA LISTING HAS BE FORGED.