What was found
RIGHT HORIZONTAL STABILIZER INSPAR RIB ASSEMBLY NR 4, STAB STA 120.30, HAD A CRACK IN LOWER FLANGE OF THE THIRD STIFFENER FROM FRONT. REPAIRED THE RIB STIFFENER IAW SRM 55-10-09-2R-4.
- Difficulty date
- June 5, 2020
- Submitted
- June 30, 2020
- Operation
- Air carrier
- Aircraft
- N248WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 32509
- Aircraft time
- 48,392 hours, 29,038 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.