Service difficulty report · Pressure Deck · Boeing 7377H4

Difficulty date
October 7, 2023
Submitted
November 7, 2023
Operation
Air carrier
Aircraft
N909WN
Make and model
Boeing 7377H4
Aircraft serial
32458
Aircraft time
50,978 hours, 30,876 cycles
Part
Pressure Deck
Part number
UNKNOWN
Condition
Cracked
Location
Zn 100 Fus Lower
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

CRACK INDICATION FOUND ON HORIZONTAL PRESSURE DECK LOCATED ON BS 663 ; LBL 30+7 INCH; CRACK LENGHT: 0.450 INCH APPROX 2023-635406<[01] TOOL P/N: NORTEC 500D; S/N: N500X11290U021704; CAL DUE: 12-MAR-24.;[02] TOOL P/N: NORTEC 500D; S/N: N500X11290U021704; CAL DUE: 12-MAR-24.;[03] PERFORMED PERMANENT REPAIR ON HORIZONTAL PRESSURE DECK LOCATED ON BS 663 ; LBL 30+7 INCH I.A.W B737-700 SRM 53-40-51-2R-2 REPAIR 2 AND DWG # 144A7710; SHEET 117 & REV - . SEE INDIVIDUAL SIGN OFF BELOW.;[04] CORRECTED STEP 3; PERFORMED PERMANENT REPAIR ON HORIZONTAL PRESSURE DECK WEB LOCATED ON BS 663.75 TO BS 675 AND LBL 25 TO LBL 60. I.A.W B737-700 SRM 53-40-51-2R-2 REPAIR 2 AND DWG # 144A7710; SHEETT 117 & REV - . SEE INDIVIDUAL SIGN OFF BELOW.;[05] TASK CARD COMPLETE AND CERTIFIED AS RII. <BR><BR><BR>SEE INDIVIDUAL SIGNOFFS BELOW.

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