What was found
DORSAL FIN #8 RIB ASSY (P/N 174A1008-2) CRACKED AT LH AND R/H SIDES JUST OUTBD OF MOUNT BRACKETS / REMOVED AND REPLACED DORSAL FIN #8 RIB ASSY (P/N 174A1008-2) PER SRM 51-10-02;INSTALLED FASTENERS PER SRM 51-40-02.
- Difficulty date
- April 23, 2020
- Submitted
- May 1, 2020
- Operation
- Air carrier
- Aircraft
- N249WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 34951
- Aircraft time
- 47,864 hours, 28,654 cycles
- System (JASC)
- 5531 · Vertical Stabilizer, Spar/Rib
- Part
- Rib
- Condition
- Cracked
- Location
- Vertical Stab
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.