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; RBL 50 HAS CORROSION 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; RBL50 IAW SRM 51-40-02.;[04] LOCATED AND DRILLED REPLACEMENT INTERCOSTAL PER SRM 51-40-05.;[05] INSPECTED WORK ACCOMPLISHED IN C/A #3. REMOVED DAMAGED INTERCOSTAL AT STA. 947-967; RBL50 IAW SRM 51-40-02. INSPECTED WORK ACCOMPLISHED IN C/A #4. LOCATED AND DRILLED REPLACEMENT INTERCOSTAL PER SRM 51-40-05.;[06] INSTALLED NEW INTERCOSTAL PER SRM 51-40-02;[07] C/W RII REQUIREMENT FOR C/A 6; INSTALLED NEW INTERCOSTAL PER SRM 51-40-02

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