What was found
INT - DURING Q-5 CHECK VISUAL INSPECTION, FOUND UNKNOWN 4 INCH DIAMETER PREVIOUSLY INSTALLED SKIN DOUBLER, NO SDA ON FILE BS 475 BETWEEN STRINGER 15R AND STRINGER 16R. DOUBLER INSTALLED PER SRM 53-00-01 FIG 208. (M)
- Difficulty date
- January 17, 1996
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N423US
- Make and model
- Boeing 737401
- Aircraft serial
- 23990
- System (JASC)
- 5330 · Fuselage Main, Plate/Skin
- Part
- Skin
- Condition
- Damaged
- Location
- Bs 475
- Part time
- 19,812 hours
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.