- Difficulty date
- January 27, 2021
- Submitted
- March 4, 2021
- Operation
- Air carrier
- Aircraft
- N405WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 27893
- Aircraft time
- 67,100 hours, 39,738 cycles
- Part
- Stiffener
- Condition
- Cracked
- Location
- R/H Horiz. 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.
What was found
RT HORIZ. STAB RIB AT STAB STA 120.30 3RD VERT STIFFENER IS CRACKED. / REPAIRED R/H HORIZ STAB INSPAR RIB 3RD VERT STIFFENER AT STAB STA 120.30 IAW SRM 51-40-02-OG-0; SRM 54-40-04-OG-0; SRM 55-10-09-2R4; SRM 55-10-09-2R5; BAC DRAWINGS 182A1500; 182A2401; 182A3001; SR 737-55-1096; AND AMM 51-21-91-620-803; AMM 51-21-91-620-802.