SDR 99ZZZX3313

Service difficulty report · Spring · Boeing 737*

Difficulty date
August 3, 1999
Submitted
March 26, 2000
Operation
General aviation
Filed by
IU6R626N
Aero Controls, LLC
Make and model
Boeing 737*
Part
Spring
Part number
69778551
Condition
Failed
Location
Horizontal Stab
Part time
14,088 hours
Component
65C3475111A
Stage of operation
IN
Nature of condition
O
Precautionary procedure
K

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

What was found

SPRINGS, PN 69-77855-1, ARE BROKEN IN THE AUXILIARY BRAKE SYSTEM. IMPROPER HEAT TREATING OR INCORRECT ALLOYS IN THE SPRINGS. SPRINGS, PN 69-77855-1, SHOULD BE REPLACED WITH PN 69-77855-2 SPRINGS PER BOEING TELEX AEO-AUB-94-0195RR.