- Difficulty date
- March 23, 2020
- Submitted
- April 20, 2020
- Operation
- Air carrier
- Make and model
- Boeing 7377H4
- Aircraft serial
- 36629
- Aircraft time
- 40,878 hours, 24,621 cycles
- Part
- Rib
- 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.
What was found
LEFT HORIZONTAL STAB RIB ASSY #4 (STAB STA 120.3) FWD O/B LOWER FLANGE IS CRACKED / REPAIRED L/H HORIZ STAB INSPAR RIB #4 (STAB STA 120.3) FWD O/B LWR FLANGE IAW SRM 55-10-09-2R5; SRM 51-40-02-0G-0; AMM 27-31-41-400-801; AND BAC DRAWINGS 002A0001; 182A1500; 182A2401; AND 182A3001