SDR SCNA20201007061

Service difficulty report · Floorbeam · Boeing 7378Q8

Difficulty date: September 2, 2020
Submitted: October 7, 2020
Operation: Air carrier
Aircraft: N801SY
Make and model: Boeing 7378Q8
Aircraft serial: 30332
Aircraft time: 63,730 hours, 24,799 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Damaged
Location: Bs 294
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

TOOLING MARKS ON FLOOR BEAM BS 294.5, LBL 11 TO RBL 41. BLENDED ON UPPER SURFACE OF FLOOR BEAM 294.5 AT RBL 24.5 AREA 1.75" L X .7" W X .015" D. FOUND TO BE OUT OF LIMITS, IAW SRM 53-10-51-1A-1 DET C. ALL OTHER BLEND AREAS .012" OR LESS WITHIN LIMITS, IAW SRM 53-10-51-1A-1 DET C. REPAIRED OUT OF LIMIT AREA, IAW SRM 53-10-51-2R-14 WITH 7075T6#0. .100" LOT# 5065468-1. 57828U.

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