- Difficulty date
- September 6, 2023
- Submitted
- October 6, 2023
- Operation
- Air carrier
- Make and model
- Boeing 7377H4
- Aircraft serial
- 36887
- Aircraft time
- 51,081 hours, 29,796 cycles
- Part
- Stiffener
- Part number
- UNKNOWN
- Condition
- Cracked
- Location
- Zn 300 Stabilize
- 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
R/H HORIZONTAL STAB RIB 4 STIFFENER #3 LOWER RADIUS IS CRACKED.<[01] MEASUREMENT TABLE UPDATED.;[02] REMOVED THE DAMAGE PART AT RH HORIZONTAL STABILIZER STA 120.30 RIB 3RD VERTICAL STIFFENER AND INSTALLED REPAIR PARTS IAW SRM 55-10-09-2R-4;[03] VERIFIED CORRECTIVE ACTION COMPLETE; VERIFIED MEASUREMENT TABLE COMPLETE.