- Difficulty date
- May 4, 2021
- Submitted
- May 7, 2021
- Operation
- Air carrier
- Make and model
- Boeing 747400
- Aircraft serial
- 36132
- Aircraft time
- 46,529 hours
- Part
- Rib
- Condition
- Cracked
- Location
- Horizontal Stab
- Stage of operation
- IN
- How discovered
- 9
- 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
CRACKED RIB, RH HORIZONTAL STAB INTERNAL RIB. STAB BL 421(<P>REMOVED AFFECTED FASTENERS TO GET ACCESS IAW SRM 51-40-02 REV 91. REPAIR DAMAGE AREA IAW SRM 55-10-09-2R-13 REPAIR 13 REV 91. INSTALLED FASTENERS IAW SRM 51-40-02 REV 91. AND DWG NO. 65BO3520 SHEET 2 REV G. CONDITION CHECK NORMAL AND JOB COMPLETED.</P>)