What was found
SPRINGS, P/N 69-77855-1, ARE BROKEN IN THE AUXILIARY BRAKE SYSTEM. IMPROPER HEAT TREATING OR INCORRECT ALLOYS IN THE SPRINGS. SPRINS, P/N 69-77855-1, SHOULD BE REPLACED WITH P/N 69-77855-2 SPRINGS PER BOEING TELEX AEO-AUB-94-0195RR.
- Difficulty date
- July 12, 1999
- Submitted
- March 26, 2000
- Operation
- General aviation
- Filed by
- IU6R626N
Aero Controls, LLC - Make and model
- Boeing 737*
- System (JASC)
- 2740 · Stabilizer Control System
- Part
- Spring
- Part number
- 69778551
- Condition
- Broke
- Location
- Horiz Stabilizer
- Part time
- 18,748 hours
- Component
- 654997025
- 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.