What was found
DURING A MAINTENANCE INSPECTION, FOUND AT SECTION 46, THE KEEL BEAM WEBS AT RBL 6.5 AND LBL 6.5 FROM BS 535 TO 630 CORRODED. BOTH WEBS HAVE BEEN REPLACED BY NEW ONES PROVIDED BY BOEING AND PERFORMED JOB IAW AEI EO4471.
- Difficulty date
- April 22, 2017
- Submitted
- April 28, 2017
- Operation
- Air carrier
- Filed by
- EE4Y151M
Cooperativa Autogestionaria de Servicios Aeroindus - Aircraft
- N311GT
- Make and model
- Boeing 737400
- Aircraft serial
- 26316
- Aircraft time
- 54,473 hours, 33,638 cycles
- System (JASC)
- 5314 · Fuselage Main, Keel
- Part
- Keelbeam
- Condition
- Corroded
- Location
- Bs 535-630
- 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.