Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
June 23, 2020
Submitted
July 14, 2020
Operation
Air carrier
Aircraft
N486WN
Make and model
Boeing 7377H4
Aircraft serial
33852
Aircraft time
54,585 hours, 32,477 cycles
Part
Intercostal
Condition
Cracked
Location
Fuselage
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.

What was found

WHILE DOING HFEC OPEN HOLE INSP ON EXISTING FASTENER HOLES FOUND CRACK IN HOLE ON INTERCOSTAL BS 256.5; LBL 5; WL 207.5. CRACK IN EXISTING FASTENER HOLE ON INTERCOSTAL BS256.5; LBL5 WL207.5 WAS REPARED IAW EA 20-153-01082 REV IR DATED 07/11/2020 & ATS ER 20-02791; REV IR DATED 07/11/2020.

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