Service difficulty report · Panel · Boeing 7377H4

Difficulty date
May 22, 2023
Submitted
June 29, 2023
Operation
Air carrier
Aircraft
N960WN
Make and model
Boeing 7377H4
Aircraft serial
36675
Aircraft time
38,108 hours, 23,248 cycles
Part
Panel
Part number
UNKNOWN
Condition
Delaminated
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

PANEL 194FR HAS A DELAMINATION ON THE OUTER SKIN (MARKED)<[01] IDENTIFIED PANEL IAW SRM 53-60-70-0I-1 FIGURE 2 ITEM [2] DAMAGE TO THE PANEL IS BEYOND ALLOWABLE LIMITS IAW SRM 53-60-70-1A-1 PARAGRAPH 4.A.(6).(B) AND WILL BE REPAIRED IAW SRM 51-70-05-2R-2 PER SRM 53-60-70-2R-1 PARAGRAPH 2.E. REMOVED A 2' DIAMETER AREA OF DAMGED TOOLSIDE PLIES AND CORE FROM AN AREA LOCATED 2.8' FROM THE LEADING EDGE AND 14' FROM THE INBOARD EDGE AND PREPPED AREA FOR THE REPAIR; WORK PERFORMED IAW SRM 51-70-05-2R-2 PARAGRAPH 4.A-C.;[02] VALIDATED APPLICABILITY OF SRM 51-70-05-2R-2.;[03] INSPECTED AND VERIFIED CORRECTIVE ACTIONS 1 AND 2.<BR><BR>VERIFIED MEASUREMENTS TABLE.;[04] POTTED REPAIR AREA WITH BMS5-28 TYPE 7 LOT AK2JP8360K CURED UNDER A HEAT LAMP USING THERMOMETER ID: ATS2208 DUE: 10/2023; SANDED FLUSH AND CLEANED REPAIR AREA; WORK PERFORMED IAW SRM 51-70-05-2R-11 PARAGRAPH 4.A-D.;[05] FABRICATED REPAIR PLIES FROM BMS5-129 GRADE 05 LOT 1525914-2; BMS8-79 STYLE 120 LOT 1528076-1 AND BMS8-79 STYLE 1581 LOT 1518153-1; INSTALLED PLIES; VACUUM BAGGED PLIES; VERIFIED A SATISFACTORY 5X5 AND CURED PLIES USING HOTBONDER ID: ATS2802 DUE: 10/2023; UNBAGGED PLIES AND LIGHTLY SANDED; WORK PERFORMED IAW SRM 51-70-05-2R-2 PARAGRAPH 4.F-I AND K.

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