What was found
LEFT HORIZONTAL STAB RIB 4 #4 STIFFENER CRACKED AT LWR AREA. / REPAIRED LEFT HORIZONTAL STABILIZER INTERNAL RIB #4; STIFFINER #4 PER SRM 55-10-09-2R-4
- Difficulty date
- July 23, 2020
- Submitted
- August 10, 2020
- Operation
- Air carrier
- Aircraft
- N7880D
- Make and model
- Boeing 7377K5
- Aircraft serial
- 34693
- Aircraft time
- 34,295 hours, 26,031 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.