What was found
DORSAL FIN RIB #1; (MOST FWD) HAS A CRACK ON ITS LEFT SIDE ON LOWER ANGLE.<[01] REMOVED AND REPLACED DORSAL FIN RIB #1; (MOST FWD) AS PER SRM 51-40-02-0G-0;[02] VERIFIED.
- Difficulty date
- August 22, 2023
- Submitted
- September 21, 2023
- Operation
- Air carrier
- Aircraft
- N299WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 36614
- Aircraft time
- 51,989 hours, 31,418 cycles
- System (JASC)
- 5531 · Vertical Stabilizer, Spar/Rib
- Part
- Rib
- 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.