What was found
AIRCRAFT IN BASE MAINTENANCE: CRACK FOUND ON LEFT HORIZONTAL STABILIZER RIB STATION 92.70. CRACK 3 INCHES LONG AND 0.001 INCHES WIDE. REPLACED RIB AT STATION 92.70 PER SRM 51-00-05-1.
- Difficulty date
- March 27, 2021
- Submitted
- April 7, 2021
- Operation
- Air carrier
- Aircraft
- N831NN
- Make and model
- Boeing 737823
- Aircraft serial
- 33211
- Aircraft time
- 32,884 hours, 13,491 cycles
- System (JASC)
- 5511 · Horizontal Stabilizer, Spar/Rib
- Part
- Rib
- Condition
- Cracked
- Location
- Horizontal 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.