What was found
LEFT HORIZONTAL STAB STA 120.30; INSPAR RIB ASSY 4; STIFFENER 3 IS CRACKED AT LOWER END. ACCOMPLISHED REPAIR AT LEFT HORIZ STAB STA 120.30 INSPAR RIB ASSY NR 4 STIFFENER 3 PER SRM 55-10-09-2R-4 (PERMANENT REPAIR) FIG 202 DETAIL A.
- Difficulty date
- June 23, 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)
- 5514 · Horizontal Stabilizer Miscellaneous Structure
- Part
- Stiffener
- 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.