- Difficulty date
- May 24, 2021
- Submitted
- May 28, 2021
- Operation
- Air carrier
- Aircraft
- N416WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 32453
- Aircraft time
- 65,393 hours, 38,534 cycles
- Part
- Rib
- 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
L/H HORIZONTAL STAB RIB NO4 STA 120.30 CRACKED AT #4 STIFFENER LOWER FLANGE ; / TRIMED OUT DAMAGED SECTION AND INSTALLED REPAIR PARTS AT L/H HORIZONTAL STAB RIB#4 STIFFENER#4 LOWER FLANGE PER REF B737-700 SRM 55-10-09-2R-5.; FINAL INSPECTED; REPAIRED L/H HORIZONTAL STAB RIB #4 STIFFENER #4.; RII FOR STEP 3.