What was found
L/H HORIZONTAL STABILIZER INSPAR RIB ASSEMBLY #4 (STAB STA. 120.30) STIFFENER #4 (MOST AFT) CRACKED AT LOWER FLANGE ANGLE OF STIFFENER / REPAIRED HORIZONTAL STABILIZER RIB CRACK IAW SRM 55-10-09-2R-5.
- Difficulty date
- April 20, 2020
- Submitted
- May 11, 2020
- Operation
- Air carrier
- Aircraft
- N7731A
- Make and model
- Boeing 73776N
- Aircraft serial
- 32677
- Aircraft time
- 45,301 hours, 22,436 cycles
- System (JASC)
- 5511 · Horizontal Stabilizer, Spar/Rib
- Part
- Rib
- Condition
- Cracked
- Location
- Lt Horiz 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.