What was found
FWD PIT STA 1000 SPAR CHORD CRACK, STR 46-47L, 1.42 INCH AND 46-47R, 0.87 IN. STATION 1000 CHORD CRACK FOUND UNDER EXISTING MAINTENANCE PLAN WRITTEN FOR THIS TYPE OF DAMAGE. REPAIRED PER AMM & FAA-APPROVED SERVICE BULLETIN.
- Difficulty date
- December 9, 2005
- Submitted
- December 13, 2005
- Operation
- Air carrier
- Aircraft
- N174UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24381
- Aircraft time
- 61,158 hours, 6,917 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 5311 · Fuselage Main, Frame
- Part
- Spar
- Condition
- Cracked
- Location
- Bs 1000
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.