What was found
DURING H CHECK, A CRACK WAS DETECTED ABOVE THE R4 DOOR FRAME UPPER SILL WEB, BS 1718, S16R. ER/A 522139-14AD, SECTION I WAS ACCOMPLISHED.
- Difficulty date
- February 11, 2014
- Submitted
- February 13, 2014
- Operation
- Air carrier
- Aircraft
- N668US
- Make and model
- Boeing 747451
- Aircraft serial
- 24223
- Aircraft time
- 100,412 hours, 12,414 cycles
- System (JASC)
- 5310 · Fuselage Main, Structure
- Part
- Door Frame
- Condition
- Cracked
- Location
- R4 Doorway
- 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.