What was found
NR 1 LT MED CUTOUT BS 488 FRAME AT STR 25L INNER CHORD TWO FASTENER HOLES FOUND CRACKED AND AS MARKED, CRACK LENGTH 1/8 INCH. NR 1 MED LT BS 488 INNER CHORD REPLACED AS PER SB 747-53-2272 AND DWG 624U0003 SHT 40A.
- Difficulty date
- April 8, 2005
- Submitted
- May 2, 2005
- Operation
- Air carrier
- Aircraft
- N523UP
- Make and model
- Boeing 747283B
- Aircraft serial
- 22381
- Aircraft time
- 74,408 hours, 15,331 cycles
- System (JASC)
- 5311 · Fuselage Main, Frame
- Part
- Frame
- Part number
- 141U105717
- Condition
- Cracked
- Location
- Fuselage
- 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.