What was found
MAIN DECK LT NR 1 MED UPPER SILL, STATION 460, WEB FOUND CRACK AD 2012-22-03. MAIN DECK LT NR 1 MED UPPER SILL STATION 460 WEB REPAIRED IAW ECRA 5310-06631.
- Difficulty date
- October 31, 2015
- Submitted
- November 3, 2015
- Operation
- Air carrier
- Aircraft
- N174UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24381
- Aircraft time
- 99,993 hours, 10,998 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Door Sill
- Condition
- Corroded
- Location
- Fuselage
- 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.