What was found
AIRCRAFT IN BASE MAINTENANCE: CRACK IN STIFFENER ON RH SIDE OF KEEL BEAM AT STA 663 AND STR 25R, MEASURING L=0.5 IN. ACCOMPLISHED PERMANENT REINFORCING DOUBLER REPAIR IAW SRM 57-10-10-2R-5 AND EA331764.
- Difficulty date
- November 2, 2021
- Submitted
- November 19, 2021
- Operation
- Air carrier
- Aircraft
- N980NN
- Make and model
- Boeing 737*
- Aircraft serial
- 31229
- Aircraft time
- 17,559 hours, 7,305 cycles
- System (JASC)
- 5314 · Fuselage Main, Keel
- Part
- Stiffener
- Condition
- Cracked
- Location
- Zone 100 - Fuse
- 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.