Service difficulty report · Attach Angle · Boeing 7378H4

Difficulty date
July 1, 2024
Submitted
July 29, 2024
Operation
Air carrier
Aircraft
N8697C
Make and model
Boeing 7378H4
Aircraft serial
36728
Aircraft time
26,284 hours, 12,972 cycles
Part
Attach Angle
Condition
Corroded
Location
Zone 100
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

UPPER WEB ATTACH ANGLE LOCATED BETWEEN STAS 927-947; RBL 25 HAS CORROSION AT STA 946.<[01] REMOVED CORROSION UPPER WEB ATTACH ANGLE LOCATED BETWEEN STA?S 927-947; RBL 25 . ORIGINAL THICKNESS OF 0.070; MATERIAL REMOVED .019; REMAINING THICKNESS IS 0.051. ANGLE FOUND TO BE OUT OF LIMITED PER SRM 53-70-51-1A-1.;[02] LOCATED AND DRILLED NEW UPPER WEB ATTACH ANGLE (CHORD) BETWEEN STA 927 - 947 RBL 25 PER SRM 51-40-05; TREATED. AND PRIMED BARE METAL PER SRM 51-20-01;[03] INSPECTED C/A #2 LOCATING & DRILLING OF NEW UPPER WEB ATTACH ANGLE (CHORD) BETWEEN STA 927 - 947 RBL 25 PER SRM 51-40-05 & PRIMING OF BARE METAL PER SRM 51-20-01 (RII);[04] INSPECTED C/A #2 LOCATING & DRILLING OF NEW UPPER WEB ATTACH ANGLE (CHORD) BETWEEN STA 927 - 947 RBL 25 PER SRM 51-40-05 & PRIMING OF BARE METAL PER SRM 51-20-01;[05] REMOVED AND REPLACED ANGLE (CHORD) PER SRM 51-40-02;[06] INSPECTED AS REQUIRED. CORRECTIVE ACTION #5

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