- Difficulty date
- May 6, 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
- 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
DOT 18_A22: LEFT HORIZONTAL STAB RIB STA 120.30; LOWER FLANGE CRACKED JUST FWD OF #4 STIFFENER ; / REMOVED AND REINSTALLED LEFT HORIZONTAL STAB RIB STA 120.30 IAW SRM 51-40-02-0G-0; DWG 002A0001. REPAIRED IAW EA 21-155-01399; VERIFIED STEP 30 RII; AUDIT COMPLETE