SDR SWAA2021071995095

Service difficulty report · Support Angle · Boeing 7377H4

Difficulty date: July 15, 2021
Submitted: July 19, 2021
Operation: Air carrier
Aircraft: N444WN
Make and model: Boeing 7377H4
Aircraft serial: 29839
Aircraft time: 61,121 hours, 35,983 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support Angle
Condition: Corroded
Location: Bs 312-328
Stage of operation: NR
How discovered: 9
Nature of condition: O
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CORROSION ON THRESHOLD SUPPORT ANGLE AT FED BS 312-328 LBL 52 WL 209. REMOVED CORROSION ON THRESHOLD SUPPORT ANGLE IAW SRM 51-10-02. FOUND TO BE OUT OF LIMITS IAW SRM 53-10-15-0I-1. REMOVED THRESHOLD SUPPORT ANGLE IAW SRM 51-40-02. LOCATED AND DRILLED NEW THRESHOLD SUPPORT ANGLE IAW DWG 141A8110, SRM 51-40-05, & SRM 51-40-08. INSTALLED NEW THRESHOLD SUPPORT ANGLE IAW DWG# 141A8110, SRM 51-40-02.

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