Service difficulty report · Intercostal · Boeing 7378H4

Difficulty date
July 19, 2022
Submitted
August 12, 2022
Operation
Air carrier
Aircraft
N8639B
Make and model
Boeing 7378H4
Aircraft serial
60086
Aircraft time
27,400 hours, 12,638 cycles
Part
Intercostal
Condition
Corroded
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.

What was found

CABIN; STA.947.5 +2 LBL 52; HARD POINT FITTING ON INTERCOSTAL HAS AREA OF CORROSION. / [01] REMOVED CORROSION ON INTERCOSTAL AT STATION 947.5 + 2 LBL 52; REMOVED 0.047? OF 0.215? FOUND TO BE OUT OF LIMITS PER SRM 53-70-51-1A-1;[02] VERIFIED DAMAGE REMOVAL IS OUT OF LIMITS.;[03] LOCATED/DRILLED FASTENER HOLES IN REPLACEMENT INTERCOSTAL AND INSTALLED NUT-PLATES IAW SRM 51-40-02.;[04] R/R INTERCOSTAL IAW SRM 51-40-02.;[05] R/R INTERCOSTAL IAWSRM 51-40-02.;[06] C/W INSPECTION<BR>R/R INTERCOSTAL IAW SRM 51-40-02.

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