- Difficulty date
- December 20, 2022
- Submitted
- January 11, 2023
- Operation
- Air carrier
- Aircraft
- N933WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 36640
- Aircraft time
- 44,739 hours, 27,195 cycles
- Part
- Stiffener
- 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
LEFT HORIZONTAL STAB IN-SPAR RIB AT HSS 129.5. CRACKED AT THE 2ND STIFFENER. REMOVED CRACK DAMAGE FROM THE STIFFENER IAW SRM 55-10-09-2R-4 STEP 4.B (1 & 2). HFEC INSPECTED DAMAGE CUTOUT ON WEB AND STIFFENER IAW NDT PART 6 51-00-00 PROCEDURE 23. FABRICATED REPAIR T-SECTION, ANGLE, & SHIM IAW SRM 55-10-09-2R-4 STEP 4.F -. INSTALLED THE REPAIR IAW SRM 55-10-09-2R-4 STEP 4.M - Q.