What was found
R/H HORIZONTAL STABILIZER INTERNAL STRUCTURE AT THE #1 RIB (STAB. STA. 92.7), 2ND VERTICAL STIFFENER #4 RIB (STA 120.30), 2ND & 3RD STIFFENER, & #5 RIB (S STA 129.50), 2ND VERTICAL STIFFENER CRACKED. / REPAIRED #4 RIB PER EA.
- Difficulty date
- December 4, 2019
- Submitted
- December 17, 2019
- Operation
- Air carrier
- Aircraft
- N921WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 36626
- Aircraft time
- 40,155 hours, 24,145 cycles
- System (JASC)
- 5511 · Horizontal Stabilizer, Spar/Rib
- Part
- Rib
- Part number
- 186A200041
- Part serial
- 1C1216
- 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.