What was found
RIGHT HORIZONTAL STAB INSPAR RIB NR 4 HAS A HOLE CRACK AT LOWER I/B FLANGE 15.5' FROM FWD TO AFT. REPAIRED RIGHT HORIZONTAL STAB INSPAR RIB NR 4 LOWER I/B FLANGE 15.5' FROM FWD TO AFT AS PER SRM 55-10-09-2R-5 REPAIR 5.
- Difficulty date
- July 4, 2020
- Submitted
- July 14, 2020
- Operation
- Air carrier
- Aircraft
- N478WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 33989
- Aircraft time
- 55,249 hours, 32,699 cycles
- System (JASC)
- 5511 · Horizontal Stabilizer, Spar/Rib
- Part
- Rib
- Condition
- Cracked
- Location
- Rt 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.