Service difficulty report · Keelbeam · Boeing 7377H4

Difficulty date
April 7, 2025
Submitted
May 19, 2025
Operation
Air carrier
Aircraft
N282WN
Make and model
Boeing 7377H4
Aircraft serial
32534
Aircraft time
58,063 hours, 34,826 cycles
Part
Keelbeam
Condition
Cracked
Location
Zone 100
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

CRACK INTERNAL STRUCTURE KEEL BEAM LOCATED BTW BS727 TO BS727A AND STR27L AT AFT CARGO COMPARTMENT 2025-242372<[01] ON STEPS 4 AND 5; TOOL USED P/N: NORTEC 500D; S/N: N500X12101U102020; CAL DUE: 07-OCT-25.;[02] TOOLS USED TEMPERATURE CONTROLLED P/N: P3015GOES00000; S/N: 142811020; DUE DATE: 29-JAN-26 AND TEMPERATURE CONTROLLED P/N: P3015GOES00000; S/N: 142811019; DUE DATE: 29-JAN-26.;[03] STEP 15 TOOL USED RADIOMETER PHOTOMETER P/N: XRP-3000; S/N: 1753759; CAL DUE DATE: 30-JUN-25;[04] TOOL USED: POWER PACK P/N FMK0003223 S/N PE0412/63335 DUE DATE 17 JUN 25; MULTIMETER P/N FLUKE 87 S/N 44560136 DUE DATE 25 MAR 26; THERMOMETER P/N FLUKE 566 S/N 65900156WS DUE DATE 23 OCT 25;[05] PERFORMED REPAIR ON STRUCTURE KEEL BEAM LOC. BTW BS727 TO BS727A AND STR27L AT AFT CARGO COMPARTMENT IAW EA 25-153-01064. SEE INDIVIDUAL SIGN OFF BELOW.;[06] RII COMPLETED JOB

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