Service difficulty report · Intercostal · Boeing 7378H4

Difficulty date
December 16, 2024
Submitted
January 8, 2025
Operation
Air carrier
Aircraft
N8514F
Make and model
Boeing 7378H4
Aircraft serial
36975
Aircraft time
26,358 hours, 13,054 cycles
Part
Intercostal
Condition
Corroded
Location
Zone 200
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

INTERCOSTAL LOCATED BETWEEN STAS 947-967; LBL 50 CORRODED ON UPPER SURFACE.<[01] EVALUATED CORROSION DAMAGE AND FOUND TO BE OUT OF LIMITS PER SRM 53-70-51-1A-1.;[02] COMPLIED WITH INSP.<BR>1. EVALUATED CORROSION DAMAGE AND FOUND TO BE OUT OF LIMITS PER SRM 53-70-51-1A-1.;[03] REMOVED DAMAGED INTERCOSTAL AT STA 947-967; LBL 50 IAW SRM 51-40-02.;[04] MATCH DRILLED NEW INTERCOSTAL PER SRM 51-40-05.;[05] INSPECTED MATCH DRILLING OF PART;[06] RII. OK TO INSTALL NEW INTERCOSTAL LOCATED BETWEEN STA?S 947-967; LBL 50.;[07] REMOVED AND REPLACED INTERCOSTAL PER SRM 51-40-02.;[08] C/W INSPECTION REMOVED AND REPLACED INTERCOSTAL PER SRM 51-40-02.

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