Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
August 8, 2017
Submitted
January 31, 2022
Operation
Air carrier
Aircraft
N229WN
Make and model
Boeing 7377H4
Aircraft serial
32498
Aircraft time
41,142 hours, 24,039 cycles
Part
Floorbeam
Condition
Corroded
Location
Aft Cargo Bay
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

AFT CARGO PIT FLOOR SUPPORT RAIL BEAM HAS CORROSION AT STA. 767 + 15 TO STA. 847 + 10 STR; 25R AS MARKED; / BLENDED CORROSION AND VERIFIED LIMITS AT AFT CARGO PIT FLOOR SUPPORT RAIL (TRACK) STA 767+15 TO 847+10 (ORIGINAL T: .080')(LOSS:.010')(REMAINING .070') OUT OF LIMITS IAW SRM 53-00-53-1A-2 STEP 4B(2) FIG 103 DETAIL D- REMOVED AND REPALCED AFT CARGO PIT FLOOR SUPPORT RAIL (TRACK) FROM STA. 779 TO 888 RBL 13 IAW EA 1-53-8210 REV 2 AND BOEING DWG #146A7500 REV B. TOOL ID# 36649 DUE: 04/05/18 TAG # QV0112

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