What was found
DURING "D" CHECK INSPECTION FOUND, NUMBER 4 ENGINE OUTBOARD THRUST REVERSER, FIRE SUPPORT RIB WITH WEAR DAMAGE. REPAIRED RIB BY INSTALLING REPAIR DOUBLER IN ACCORDANCE WITH COMPONENT MAINTENANCE MANUAL 78-32-02.
- Difficulty date
- January 25, 2017
- Submitted
- May 21, 2017
- Operation
- Air carrier
- Aircraft
- N919CA
- Make and model
- Boeing 747428
- Aircraft serial
- 25302
- Aircraft time
- 89,251 hours, 13,055 cycles
- System (JASC)
- 7830 · Engine Thrust Reverser
- Part
- Support Rib
- Condition
- Chafed
- Location
- Thrust Reverser
- Part time
- 88,899 hours, 11,917 cycles
- Component
- Thrust Reverser
- Component part number
- 491C1200000010
- 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.