Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
May 16, 2024
Submitted
June 18, 2024
Operation
Air carrier
Aircraft
N929WN
Make and model
Boeing 7377H4
Aircraft serial
36631
Aircraft time
52,102 hours, 31,708 cycles
Part
Floorbeam
Part number
UNKNOWN
Condition
Corroded
Location
Bs 987
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

CORROSION ** AFT CABIN WET AREA FLOOR SUPPORT BEAM FASTENER HOLE FWD EDGE RBL 45 STA 986.5 MKD DOT<[01] REMOVED CORROSION ON FLOOR BEAM AT STA 986.5 RBL 45 AT FASTENER HOLE AS PER B 737 SRM 51-10-02-0G-0. EVALUATE DAMAGE: ORIGINAL MATERIAL 150'; MATERIAL LOST 0.056'; MATERIAL REMAINING 0.094' FOUND OUT OF LIMITS AS PER SRM 53-70-51-1A-1. FIG. 103; DETAIL C. ACCOMPLISHED A REPAIR PER SRM 53-70-51-2R -4 REPAIR 4.;[02] RII-VERIFIED REPAIR;[03] ACCOMPLISHED EA 24-153-01465. REF FAULT TTG8Q00TLYED.;[04] VERIFIED ACCOMPLISHED EA 24-153-01465. REF FAULT TTG8Q00TLYED

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