What was found
DURING OP 16 MAINT CHECK, FOUND INTERCOSTAL AT LONGERON 28R WITH INTERGRANULAR CORROSION BETWEEN STRINGER 937 AND 950. PART MADE PER DRAWING 9957723. REPLACED INTERCOSTAL, INSTALLED WITH HI-LOKS, BECAUSE THEY WERE ORIGINAL FASTENER.
- Difficulty date
- July 13, 1999
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N981Z
- Make and model
- Doug DC931
- Aircraft serial
- 47345
- System (JASC)
- 5320 · Fuselage Miscellaneous Structure
- Part
- Intercostal
- Condition
- Corroded
- Location
- Bs 937-950
- 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.