What was found
CORROSION - CHORD, INTERNAL LOWER SURFACE OF THE KEEL BEAM, STA 1338, RBL 9(<P>ACCOMPLISHED REPAIR AREA IAW EI NO T2021A53M-152 REV 1. ORIGINAL EI ATTACHMENT TO W/O 5459875. JOB COMPLETED AND CONDITION CHK NORMAL.</P>)
- Difficulty date
- February 6, 2021
- Submitted
- February 10, 2021
- Operation
- Air carrier
- Aircraft
- N404KZ
- Make and model
- Boeing 747481F
- Aircraft serial
- 34283
- Aircraft time
- 50,090 hours, 10,098 cycles
- System (JASC)
- 5314 · Fuselage Main, Keel
- Part
- Keelbeam
- Condition
- Corroded
- Location
- Zone 100
- 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.