What was found
LEFT HORIZONTAL STAB INSPAR RIB ASSEMBLY STA 120.30; RIB NR 4; STIFFENER NR 4 HAS A CRACK AT LOWER AREA. ACCOMPLISHED REPAIR AY LEFT HORIZONTAL STAB INSPAR RIB NR 4 STA 120.30; STIFFNER NR 4, AS PER REF B737-700 SRM 55-10-09-2R-4.
- Difficulty date
- September 23, 2020
- Submitted
- October 13, 2020
- Operation
- Air carrier
- Aircraft
- N498WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 32480
- Aircraft time
- 54,229 hours, 32,111 cycles
- System (JASC)
- 5510 · Horizontal Stabilizer Structure
- Part
- Stiffener
- 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.