What was found
SPRINGS, PN 69-77855-1, ARE BROKEN IN THE AUXILIARY BRAKE SYSTEM CAUSING THE UNIT TO BIND AND JAM. IMPROPER HEAT-TREATING, AUSTENITE, FATIGUE AND INCREASED SPRING COIL STRESSES. (X)
- Difficulty date
- May 10, 2000
- Submitted
- June 8, 2000
- Operation
- Air carrier
- Aircraft
- N327AW
- Make and model
- Boeing 7373Q8
- Aircraft serial
- 23507
- System (JASC)
- 2740 · Stabilizer Control System
- Part
- Spring
- Part number
- 69778551
- Condition
- Cracked
- Location
- Horiz Stab Trim
- Component
- H/Stab Trim Act · Boeing
- Component part number
- 65C347513
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.