What was found
INSPECTION TYPE:C LEFT WING - SURGE TANK WS 1516 RIB LWR STR 6 & 9 SUSPECT CRACK. CRACK LENGTH 1.125 INCH. LEFT WING WS 1516 RIB LWR STR -9 AREA REINSPECTED BY NDT, NO CRACK REVEALED AND STR -6 AREA REPAIRED AS PER SRM 57-10-05 FIG 4.
- Difficulty date
- May 3, 2006
- Submitted
- May 31, 2006
- Operation
- Air carrier
- Aircraft
- N521UP
- Make and model
- Boeing 747200
- Aircraft serial
- 21944
- Aircraft time
- 77,205 hours, 18,330 cycles
- System (JASC)
- 5712 · Wing, Rib/Bulkhead
- Part
- Rib
- Condition
- Cracked
- Location
- Lt Wing
- 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.