Service difficulty report · Panel · Boeing 7377H4

Difficulty date
September 16, 2021
Submitted
October 4, 2021
Operation
Air carrier
Aircraft
N967WN
Make and model
Boeing 7377H4
Aircraft serial
36967
Aircraft time
33,104 hours, 20,101 cycles
Part
Panel
Part number
193AR
Condition
Deteriorated
Location
Fuselage
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

PANEL 193AR HAS A DISBOND ON INNER SURFACE 19' FROM IB EDGE; 7' FROM FWD EDGE ; / DAMAGE IS OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 53-40-70-1A-1 TABLE 101; PARA 4.A(6)<BR><BR>REPAIR TO BE ACCOMPLISHED IAW SRM 51-70-05 PER SRM 53-40-70-2R-1 PARA 4.B(1) - 4.D(1); TABLE 201<BR><BR>VISUALLY EXAMINED EXTENT OF DAMAGE; TAP TESTED - DISBOND NOTED; REMOVED 2' DIA OF INNER SKIN AND PARTIAL DEPTH CORE ; NO CONTAMINATION NOTED; PREPPED AND CLEANED REPAIR AREA IAW SRM 51-70-05-2R-2 PARA 4.A-C POTTED REPAIR AREA WITH BMS 5-28;TY7 (CG1305) LOT# AK1CP4127K AND SET FOR ROOM TEMP CURE IAW SRM 51-70-05-2R-2 PARA 4.NOTE; SRM 51-70-05-2R-11 PARA 4.A-B<BR><BR>FABRICATED REPAIR PLIES FROM BMS 8-79 (120) LOT# 1466500-1 AND BMS 5-129 (GR5) LOT# 1464324-2 IAW SRM 51-70-05-2R-2 PARA 4.G; [05] CURED POTTING AT ROOM TEMP; SANDED POTTING TO CONTOUR; CLEANED REPAIR AREA; INSTALLED REPAIR PLIES; VACUUM BAGGED AND SET FOR CURE IAW SRM 51-70-05-2R-11 PARA 4.B-E; SRM 51-70-05-2R-2 PARA 4.F-I<BR><BR>HOT BONDER ID IS000678 S/N 12071586; [06] CURED REPAIR; UNBAGGED AND LIGHTLY SANDED IAW SRM 51-70-05-2R-2 PARA 4.I-K; UT INSPECTED POST CURE IAW 737 NDTM PART 4 51-00-02; NO DISBONDS NOTED. EQUIP ID#: ATS2341 S/N: 190848104

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