What was found
CRACK DORSAL FIN RIB BST 867 AT VERTICAL STABILIZER / REPLACED RIB ON DORSAL FIN BS867 AT VERTICAL STABILIZER IAW B737-700 SRM 51-10-02 ITEM 9 AND SRM 51-40-02 DRAWING # 174A0103 REV A
- Difficulty date
- January 7, 2021
- Submitted
- January 28, 2021
- Operation
- Air carrier
- Aircraft
- N406WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 27894
- Aircraft time
- 66,898 hours, 39,718 cycles
- System (JASC)
- 5531 · Vertical Stabilizer, Spar/Rib
- Part
- Rib
- Condition
- Cracked
- Location
- Vertical 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.