- Difficulty date
- May 7, 2021
- Submitted
- June 4, 2021
- Operation
- Air carrier
- Make and model
- Boeing 7377H4
- Aircraft serial
- 32491
- Aircraft time
- 52,961 hours, 31,490 cycles
- Part
- Stiffener
- Condition
- Cracked
- Location
- Horizontal Stab
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT HORIZONTAL STAB RIB STA 92.70; RIB STIFFENER #3 IS CRACKED 1' ABOVE LOWER FLANGE. CRACK VERIFIED BY HFEC. DOT 177A-001 ; / CUT OUT DAMAGED AREA ON R/H HORZ STAB RIB ON #3STIFFENER I.A.W SRM55-10-09-2R-4.<BR>FABRICATED AND DRILLED REPAIR KIT I.A.W SRM55-10-09-2R-4.<BR>INSTALLED REPAIR PARTS I.A.W SRM55-10-09-2R-4; VERIFIED ITEM 22; AUDIT C/W