Service difficulty report · Panel · Boeing 7377H4

Difficulty date
January 13, 2023
Submitted
February 8, 2023
Operation
Air carrier
Aircraft
N209WN
Make and model
Boeing 7377H4
Aircraft serial
32484
Aircraft time
59,684 hours, 35,490 cycles
Part
Panel
Part number
NOTREPORTED
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 561BB DELAMINATED IN SEVERAL LOCATIONS ON OUTER SURFACE<[01] FOUND PANEL TO HAVE AREAS OF DISBOND. THESE AREAS OF DISBOND ARE BEYOND ALLOWABLE LIMITS IAW SRM 57-51-01-1A-1 PARAGRAPH 4.A.(5)(A)<BR><BR>DAMAGED AREAS WILL BE REPAIRED IAW SRM 51-70-05-2R-1 AS DIRECTED BY SRM 57-51-01-2R-1 PARAGRAPH 2.E.<BR><BR>REMOVED DISBONDED TOOLSIDE SKIN FROM (3EA) AREAS: <BR>(A) (12' X 4.0') LOCATED 3' FROM AFT EDGE AND 7.0' FROM I/B; <BR>(B) (3.5' X 2.0') LOCATED 3' FROM AFT EDGE AND 44.5' FROM I/B; <BR>(C) (14'X 4.0') IS LOCATED 3' FROM AFT EDGE AND 24' FROM I/B. <BR><BR>DAMAGE WAS REMOVED IAW SRM 51-70-05-2R-1 PARAGRAPH 4.A-B.<BR><BR>UPDATED MEASUREMENT TABLE.;[02] VALIDATED APPLICABILITY OF REPAIR TO BE COMPLETED IAW SRM 51-70-05-2R-1.[07] FABRICATED REPAIR PLIES FROM BMS5-129 GRADE 05 LOT NUMBER 1510001-1. BMS8-79 STYLE 1581 LOT NUMBER 1510611-1 AND BMS8-79 STYLE 120 LOT NUMBER 1512713-2; INSTALLED PLIES; VACUUM BAGGED PLIES; VERIFIED A SATISFACTORY 5X5 CHECK; SET PLIES TO CURE AND CURED PLIES USING HOTBONDER ID: NCX000523 DUE: 06/30/2023; UNBAGGED PLIES AND LIGHTLY SANDED PLIES IAW SRM 51-70-05-2R-1 PARAGRAPH 4.C-E AND G

More about the Boeing 737-7H4