What was found
DORSAL FIN FWD RIB AT BS867.0 IS CRACKED. REMOVED & REPLACED DORSAL FIN FWD RIB AT BS 867 IAW SRM 51-40-02 STEP 4 & 6 & DWG 174A0103 ID 0003 REV A.
- Difficulty date
- June 23, 2020
- Submitted
- July 15, 2020
- Operation
- Air carrier
- Aircraft
- N486WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 33852
- Aircraft time
- 54,585 hours, 32,477 cycles
- System (JASC)
- 5531 · Vertical Stabilizer, Spar/Rib
- Part
- Rib
- Part number
- 174A0103
- 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.